tron@2186: /* $Id$ */
tron@2186: 
belugas@6443: /** @file window.cpp windowing system, widgets and events */
belugas@6443: 
truelight@0: #include "stdafx.h"
glx@4755: #include <stdarg.h>
Darkvater@1891: #include "openttd.h"
tron@1299: #include "debug.h"
tron@2163: #include "functions.h"
tron@679: #include "map.h"
tron@2154: #include "player.h"
truelight@0: #include "window.h"
truelight@0: #include "gfx.h"
darkvater@152: #include "viewport.h"
dominik@126: #include "console.h"
tron@2159: #include "variables.h"
tron@2517: #include "table/sprites.h"
truelight@4300: #include "genworld.h"
rubidium@5838: #include "helpers.hpp"
truelight@0: 
belugas@6928: /* delta between mouse cursor and upper left corner of dragged window */
tron@350: static Point _drag_delta;
tron@350: 
Darkvater@5124: static Window _windows[25];
Darkvater@5124: Window *_z_windows[lengthof(_windows)];
Darkvater@5126: Window **_last_z_window; ///< always points to the next free space in the z-array
Darkvater@5124: 
glx@4755: void CDECL SetWindowWidgetsDisabledState(Window *w, bool disab_stat, int widgets, ...)
glx@4755: {
glx@4755: 	va_list wdg_list;
glx@4755: 
glx@4755: 	va_start(wdg_list, widgets);
glx@4755: 
glx@4755: 	while (widgets != WIDGET_LIST_END) {
glx@4757: 		SetWindowWidgetDisabledState(w, widgets, disab_stat);
glx@4755: 		widgets = va_arg(wdg_list, int);
glx@4755: 	}
glx@4755: 
glx@4755: 	va_end(wdg_list);
glx@4755: }
glx@4755: 
glx@4755: void CDECL SetWindowWidgetsHiddenState(Window *w, bool hidden_stat, int widgets, ...)
glx@4755: {
glx@4755: 	va_list wdg_list;
glx@4755: 
glx@4755: 	va_start(wdg_list, widgets);
glx@4755: 
glx@4755: 	while (widgets != WIDGET_LIST_END) {
glx@4755: 		SetWindowWidgetHiddenState(w, widgets, hidden_stat);
glx@4755: 		widgets = va_arg(wdg_list, int);
glx@4755: 	}
glx@4755: 
glx@4755: 	va_end(wdg_list);
glx@4755: }
glx@4755: 
glx@4755: void CDECL SetWindowWidgetsLoweredState(Window *w, bool lowered_stat, int widgets, ...)
glx@4755: {
glx@4755: 	va_list wdg_list;
glx@4755: 
glx@4755: 	va_start(wdg_list, widgets);
glx@4755: 
glx@4755: 	while (widgets != WIDGET_LIST_END) {
glx@4755: 		SetWindowWidgetLoweredState(w, widgets, lowered_stat);
glx@4755: 		widgets = va_arg(wdg_list, int);
glx@4755: 	}
glx@4755: 
glx@4755: 	va_end(wdg_list);
glx@4755: }
glx@4755: 
belugas@4719: void RaiseWindowButtons(Window *w)
belugas@4719: {
rubidium@5235: 	uint i;
belugas@4719: 
rubidium@5235: 	for (i = 0; i < w->widget_count; i++) {
belugas@4719: 		if (IsWindowWidgetLowered(w, i)) {
belugas@4719: 			RaiseWindowWidget(w, i);
belugas@4719: 			InvalidateWidget(w, i);
belugas@4719: 		}
belugas@4719: 	}
belugas@4719: }
belugas@4719: 
truelight@0: void HandleButtonClick(Window *w, byte widget)
truelight@0: {
belugas@4719: 	LowerWindowWidget(w, widget);
truelight@0: 	w->flags4 |= 5 << WF_TIMEOUT_SHL;
truelight@0: 	InvalidateWidget(w, widget);
truelight@0: }
truelight@0: 
tron@2817: 
Darkvater@5124: static void StartWindowDrag(Window *w);
Darkvater@5124: static void StartWindowSizing(Window *w);
tron@2817: 
belugas@4171: static void DispatchLeftClickEvent(Window *w, int x, int y)
tron@2596: {
truelight@0: 	WindowEvent e;
truelight@0: 	const Widget *wi;
truelight@0: 
belugas@4634: 	e.we.click.pt.x = x;
belugas@4634: 	e.we.click.pt.y = y;
truelight@0: 	e.event = WE_CLICK;
truelight@0: 
truelight@0: 	if (w->desc_flags & WDF_DEF_WIDGET) {
belugas@4634: 		e.we.click.widget = GetWidgetFromPos(w, x, y);
belugas@6928: 		if (e.we.click.widget < 0) return; // exit if clicked outside of widgets
truelight@158: 
rubidium@5236: 		/* don't allow any interaction if the button has been disabled */
rubidium@5236: 		if (IsWindowWidgetDisabled(w, e.we.click.widget)) return;
darkvater@222: 
rubidium@5236: 		wi = &w->widget[e.we.click.widget];
truelight@0: 
Darkvater@4938: 		if (wi->type & WWB_MASK) {
darkvater@211: 			/* special widget handling for buttons*/
tron@2952: 			switch (wi->type) {
Darkvater@4938: 				case WWT_PANEL   | WWB_PUSHBUTTON: /* WWT_PUSHBTN */
Darkvater@4938: 				case WWT_IMGBTN  | WWB_PUSHBUTTON: /* WWT_PUSHIMGBTN */
Darkvater@4938: 				case WWT_TEXTBTN | WWB_PUSHBUTTON: /* WWT_PUSHTXTBTN */
Darkvater@4938: 					HandleButtonClick(w, e.we.click.widget);
Darkvater@4938: 					break;
truelight@0: 			}
bjarni@842: 		} else if (wi->type == WWT_SCROLLBAR || wi->type == WWT_SCROLL2BAR || wi->type == WWT_HSCROLLBAR) {
belugas@4634: 			ScrollbarClickHandler(w, wi, e.we.click.pt.x, e.we.click.pt.y);
truelight@0: 		}
truelight@0: 
truelight@0: 		if (w->desc_flags & WDF_STD_BTN) {
belugas@4634: 			if (e.we.click.widget == 0) { /* 'X' */
truelight@867: 				DeleteWindow(w);
celestar@984: 				return;
tron@1109: 			}
tron@1109: 
belugas@4634: 			if (e.we.click.widget == 1) { /* 'Title bar' */
Darkvater@5124: 				StartWindowDrag(w);
darkvater@1112: 				return;
darkvater@1112: 			}
truelight@0: 		}
truelight@867: 
darkvater@1112: 		if (w->desc_flags & WDF_RESIZABLE && wi->type == WWT_RESIZEBOX) {
Darkvater@5124: 			StartWindowSizing(w);
Darkvater@5272: 			InvalidateWidget(w, e.we.click.widget);
darkvater@1112: 			return;
darkvater@1112: 		}
truelight@867: 
truelight@867: 		if (w->desc_flags & WDF_STICKY_BUTTON && wi->type == WWT_STICKYBOX) {
truelight@867: 			w->flags4 ^= WF_STICKY;
belugas@4634: 			InvalidateWidget(w, e.we.click.widget);
darkvater@1112: 			return;
darkvater@682: 		}
truelight@0: 	}
darkvater@1038: 
darkvater@1038: 	w->wndproc(w, &e);
truelight@0: }
truelight@0: 
belugas@4171: static void DispatchRightClickEvent(Window *w, int x, int y)
tron@2596: {
truelight@0: 	WindowEvent e;
truelight@0: 
truelight@0: 	/* default tooltips handler? */
truelight@0: 	if (w->desc_flags & WDF_STD_TOOLTIPS) {
belugas@4634: 		e.we.click.widget = GetWidgetFromPos(w, x, y);
belugas@4634: 		if (e.we.click.widget < 0)
belugas@6928: 			return; // exit if clicked outside of widgets
truelight@0: 
belugas@4634: 		if (w->widget[e.we.click.widget].tooltips != 0) {
belugas@4634: 			GuiShowTooltips(w->widget[e.we.click.widget].tooltips);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	e.event = WE_RCLICK;
belugas@4634: 	e.we.click.pt.x = x;
belugas@4634: 	e.we.click.pt.y = y;
truelight@158: 	w->wndproc(w, &e);
truelight@0: }
truelight@0: 
Darkvater@2021: /** Dispatch the mousewheel-action to the window which will scroll any
Darkvater@2021:  * compatible scrollbars if the mouse is pointed over the bar or its contents
Darkvater@2021:  * @param *w Window
Darkvater@2021:  * @param widget the widget where the scrollwheel was used
Darkvater@2021:  * @param wheel scroll up or down
Darkvater@2021:  */
belugas@4171: static void DispatchMouseWheelEvent(Window *w, int widget, int wheel)
truelight@0: {
Darkvater@2021: 	const Widget *wi1, *wi2;
darkvater@982: 	Scrollbar *sb;
darkvater@982: 
Darkvater@2021: 	if (widget < 0) return;
Darkvater@2021: 
Darkvater@2021: 	wi1 = &w->widget[widget];
Darkvater@2021: 	wi2 = &w->widget[widget + 1];
Darkvater@2021: 
darkvater@982: 	/* The listbox can only scroll if scrolling was done on the scrollbar itself,
tron@1019: 	 * or on the listbox (and the next item is (must be) the scrollbar)
darkvater@982: 	 * XXX - should be rewritten as a widget-dependent scroller but that's
darkvater@982: 	 * not happening until someone rewrites the whole widget-code */
tron@1019: 	if ((sb = &w->vscroll,  wi1->type == WWT_SCROLLBAR)  || (sb = &w->vscroll2, wi1->type == WWT_SCROLL2BAR)  ||
darkvater@982: 			(sb = &w->vscroll2, wi2->type == WWT_SCROLL2BAR) || (sb = &w->vscroll, wi2->type == WWT_SCROLLBAR) ) {
darkvater@982: 
darkvater@982: 		if (sb->count > sb->cap) {
darkvater@982: 			int pos = clamp(sb->pos + wheel, 0, sb->count - sb->cap);
darkvater@982: 			if (pos != sb->pos) {
darkvater@982: 				sb->pos = pos;
darkvater@982: 				SetWindowDirty(w);
darkvater@982: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@5124: static void DrawOverlappedWindow(Window* const *wz, int left, int top, int right, int bottom);
tron@2817: 
truelight@0: void DrawOverlappedWindowForAll(int left, int top, int right, int bottom)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 	DrawPixelInfo bk;
truelight@0: 	_cur_dpi = &bk;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
truelight@158: 		if (right > w->left &&
truelight@0: 				bottom > w->top &&
truelight@0: 				left < w->left + w->width &&
truelight@0: 				top < w->top + w->height) {
Darkvater@5124: 			DrawOverlappedWindow(wz, left, top, right, bottom);
tron@2639: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@5124: static void DrawOverlappedWindow(Window* const *wz, int left, int top, int right, int bottom)
truelight@0: {
Darkvater@5137: 	Window* const *vz = wz;
truelight@0: 	int x;
truelight@0: 
Darkvater@5124: 	while (++vz != _last_z_window) {
Darkvater@5124: 		const Window *v = *vz;
Darkvater@5124: 
truelight@0: 		if (right > v->left &&
tron@2026: 				bottom > v->top &&
truelight@0: 				left < v->left + v->width &&
truelight@0: 				top < v->top + v->height) {
rubidium@6987: 			if (left < (x = v->left)) {
Darkvater@5124: 				DrawOverlappedWindow(wz, left, top, x, bottom);
Darkvater@5124: 				DrawOverlappedWindow(wz, x, top, right, bottom);
truelight@0: 				return;
truelight@0: 			}
truelight@0: 
rubidium@6987: 			if (right > (x = v->left + v->width)) {
Darkvater@5124: 				DrawOverlappedWindow(wz, left, top, x, bottom);
Darkvater@5124: 				DrawOverlappedWindow(wz, x, top, right, bottom);
truelight@0: 				return;
truelight@0: 			}
truelight@0: 
rubidium@6987: 			if (top < (x = v->top)) {
Darkvater@5124: 				DrawOverlappedWindow(wz, left, top, right, x);
Darkvater@5124: 				DrawOverlappedWindow(wz, left, x, right, bottom);
truelight@0: 				return;
truelight@0: 			}
truelight@0: 
rubidium@6987: 			if (bottom > (x = v->top + v->height)) {
Darkvater@5124: 				DrawOverlappedWindow(wz, left, top, right, x);
Darkvater@5124: 				DrawOverlappedWindow(wz, left, x, right, bottom);
truelight@0: 				return;
truelight@0: 			}
truelight@0: 
truelight@0: 			return;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	{
truelight@158: 		DrawPixelInfo *dp = _cur_dpi;
truelight@0: 		dp->width = right - left;
truelight@0: 		dp->height = bottom - top;
Darkvater@5124: 		dp->left = left - (*wz)->left;
Darkvater@5124: 		dp->top = top - (*wz)->top;
truelight@0: 		dp->pitch = _screen.pitch;
truelight@0: 		dp->dst_ptr = _screen.dst_ptr + top * _screen.pitch + left;
truelight@0: 		dp->zoom = 0;
Darkvater@5124: 		CallWindowEventNP(*wz, WE_PAINT);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void CallWindowEventNP(Window *w, int event)
truelight@0: {
truelight@0: 	WindowEvent e;
truelight@543: 
truelight@0: 	e.event = event;
truelight@0: 	w->wndproc(w, &e);
truelight@0: }
truelight@0: 
belugas@4171: void SetWindowDirty(const Window *w)
truelight@0: {
tron@2549: 	if (w == NULL) return;
truelight@0: 	SetDirtyBlocks(w->left, w->top, w->left + w->width, w->top + w->height);
truelight@0: }
truelight@0: 
Darkvater@5666: /** Find the Window whose parent pointer points to this window
belugas@6939:  * @param w parent Window to find child of
belugas@6939:  * @return a Window pointer that is the child of w, or NULL otherwise */
Darkvater@5666: static Window *FindChildWindow(const Window *w)
Darkvater@5666: {
Darkvater@5666: 	Window* const *wz;
Darkvater@5666: 
Darkvater@5666: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5666: 		Window *v = *wz;
Darkvater@5666: 		if (v->parent == w) return v;
Darkvater@5666: 	}
Darkvater@5666: 
Darkvater@5666: 	return NULL;
Darkvater@5666: }
Darkvater@5666: 
Darkvater@5124: /** Find the z-value of a window. A window must already be open
belugas@6939:  * or the behaviour is undefined but function should never fail
belugas@6939:  * @param w window to query Z Position
belugas@6939:  * @return the window that matches it */
Darkvater@5124: Window **FindWindowZPosition(const Window *w)
Darkvater@5124: {
Darkvater@5124: 	Window **wz;
Darkvater@5124: 
Darkvater@5680: 	for (wz = _z_windows; wz != _last_z_window; wz++) {
Darkvater@5124: 		if (*wz == w) return wz;
Darkvater@5124: 	}
Darkvater@5680: 
rubidium@5838: 	DEBUG(misc, 3, "Window (cls %d, number %d) is not open, probably removed by recursive calls",
Darkvater@5680: 		w->window_class, w->window_number);
Darkvater@5680: 	return NULL;
Darkvater@5124: }
Darkvater@5124: 
truelight@0: void DeleteWindow(Window *w)
truelight@0: {
Darkvater@5666: 	Window *v;
Darkvater@5124: 	Window **wz;
tron@2639: 	if (w == NULL) return;
truelight@0: 
Darkvater@5666: 	/* Delete any children a window might have in a head-recursive manner */
Darkvater@5666: 	v = FindChildWindow(w);
Darkvater@5666: 	if (v != NULL) DeleteWindow(v);
Darkvater@5666: 
tron@4077: 	if (_thd.place_mode != VHM_NONE &&
tron@4077: 			_thd.window_class == w->window_class &&
tron@4077: 			_thd.window_number == w->window_number) {
truelight@0: 		ResetObjectToPlace();
truelight@0: 	}
truelight@0: 
truelight@0: 	CallWindowEventNP(w, WE_DESTROY);
Darkvater@5122: 	if (w->viewport != NULL) DeleteWindowViewport(w);
truelight@0: 
truelight@0: 	SetWindowDirty(w);
truelight@867: 	free(w->widget);
Darkvater@5124: 	w->widget = NULL;
rubidium@5232: 	w->widget_count = 0;
Darkvater@5666: 	w->parent = NULL;
truelight@867: 
Darkvater@5124: 	/* Find the window in the z-array, and effectively remove it
Darkvater@5124: 	 * by moving all windows after it one to the left */
Darkvater@5124: 	wz = FindWindowZPosition(w);
Darkvater@5680: 	if (wz == NULL) return;
Darkvater@5124: 	memmove(wz, wz + 1, (byte*)_last_z_window - (byte*)wz);
Darkvater@5124: 	_last_z_window--;
truelight@0: }
truelight@0: 
truelight@0: Window *FindWindowById(WindowClass cls, WindowNumber number)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
tron@2639: 		if (w->window_class == cls && w->window_number == number) return w;
truelight@158: 	}
truelight@0: 
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: void DeleteWindowById(WindowClass cls, WindowNumber number)
truelight@0: {
truelight@0: 	DeleteWindow(FindWindowById(cls, number));
truelight@158: }
truelight@0: 
darkvater@999: void DeleteWindowByClass(WindowClass cls)
darkvater@999: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5121: restart_search:
Darkvater@5121: 	/* When we find the window to delete, we need to restart the search
Darkvater@5124: 	 * as deleting this window could cascade in deleting (many) others
Darkvater@5124: 	 * anywhere in the z-array */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
darkvater@999: 		if (w->window_class == cls) {
darkvater@999: 			DeleteWindow(w);
Darkvater@5121: 			goto restart_search;
tron@2639: 		}
darkvater@999: 	}
darkvater@999: }
darkvater@999: 
Darkvater@5120: /** Delete all windows of a player. We identify windows of a player
Darkvater@5120:  * by looking at the caption colour. If it is equal to the player ID
Darkvater@5120:  * then we say the window belongs to the player and should be deleted
Darkvater@5120:  * @param id PlayerID player identifier */
Darkvater@5120: void DeletePlayerWindows(PlayerID id)
bjarni@5077: {
Darkvater@5124: 	Window* const *wz;
bjarni@5077: 
Darkvater@5121: restart_search:
Darkvater@5121: 	/* When we find the window to delete, we need to restart the search
Darkvater@5124: 	 * as deleting this window could cascade in deleting (many) others
Darkvater@5124: 	 * anywhere in the z-array */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
Darkvater@5120: 		if (w->caption_color == id) {
bjarni@5077: 			DeleteWindow(w);
Darkvater@5121: 			goto restart_search;
bjarni@5077: 		}
bjarni@5077: 	}
bjarni@5077: 
Darkvater@5120: 	/* Also delete the player specific windows, that don't have a player-colour */
Darkvater@5120: 	DeleteWindowById(WC_BUY_COMPANY, id);
bjarni@5077: }
bjarni@5077: 
Darkvater@5120: /** Change the owner of all the windows one player can take over from another
Darkvater@5120:  * player in the case of a company merger. Do not change ownership of windows
Darkvater@5120:  * that need to be deleted once takeover is complete
Darkvater@5120:  * @param old_player PlayerID of original owner of the window
Darkvater@5120:  * @param new_player PlayerID of the new owner of the window */
bjarni@5077: void ChangeWindowOwner(PlayerID old_player, PlayerID new_player)
bjarni@5077: {
Darkvater@5124: 	Window* const *wz;
bjarni@5077: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
Darkvater@5124: 
bjarni@5077: 		if (w->caption_color != old_player)      continue;
bjarni@5077: 		if (w->window_class == WC_PLAYER_COLOR)  continue;
bjarni@5077: 		if (w->window_class == WC_FINANCES)      continue;
bjarni@5077: 		if (w->window_class == WC_STATION_LIST)  continue;
bjarni@5077: 		if (w->window_class == WC_TRAINS_LIST)   continue;
bjarni@5077: 		if (w->window_class == WC_ROADVEH_LIST)  continue;
bjarni@5077: 		if (w->window_class == WC_SHIPS_LIST)    continue;
bjarni@5077: 		if (w->window_class == WC_AIRCRAFT_LIST) continue;
bjarni@5077: 		if (w->window_class == WC_BUY_COMPANY)   continue;
bjarni@5077: 		if (w->window_class == WC_COMPANY)       continue;
Darkvater@5120: 
bjarni@5077: 		w->caption_color = new_player;
bjarni@5077: 	}
bjarni@5077: }
bjarni@5077: 
Darkvater@5124: static void BringWindowToFront(const Window *w);
tron@2817: 
Darkvater@5124: /** Find a window and make it the top-window on the screen. The window
belugas@6939:  * gets a white border for a brief period of time to visualize its "activation"
belugas@6939:  * @param cls WindowClass of the window to activate
belugas@6939:  * @param number WindowNumber of the window to activate
Darkvater@5124:  * @return a pointer to the window thus activated */
truelight@0: Window *BringWindowToFrontById(WindowClass cls, WindowNumber number)
truelight@0: {
truelight@0: 	Window *w = FindWindowById(cls, number);
truelight@0: 
truelight@0: 	if (w != NULL) {
truelight@0: 		w->flags4 |= WF_WHITE_BORDER_MASK;
Darkvater@5124: 		BringWindowToFront(w);
truelight@0: 		SetWindowDirty(w);
truelight@0: 	}
truelight@0: 
truelight@0: 	return w;
truelight@0: }
truelight@0: 
darkvater@1648: static inline bool IsVitalWindow(const Window *w)
darkvater@1648: {
darkvater@1648: 	WindowClass wc = w->window_class;
darkvater@1648: 	return (wc == WC_MAIN_TOOLBAR || wc == WC_STATUS_BAR || wc == WC_NEWS_WINDOW || wc == WC_SEND_NETWORK_MSG);
darkvater@1648: }
darkvater@1648: 
darkvater@1648: /** On clicking on a window, make it the frontmost window of all. However
darkvater@1648:  * there are certain windows that always need to be on-top; these include
darkvater@1648:  * - Toolbar, Statusbar (always on)
darkvater@1648:  * - New window, Chatbar (only if open)
Darkvater@5120:  * The window is marked dirty for a repaint if the window is actually moved
darkvater@1648:  * @param w window that is put into the foreground
Darkvater@5124:  * @return pointer to the window, the same as the input pointer
darkvater@1648:  */
Darkvater@5124: static void BringWindowToFront(const Window *w)
truelight@0: {
Darkvater@5124: 	Window *tempz;
Darkvater@5124: 	Window **wz = FindWindowZPosition(w);
Darkvater@5124: 	Window **vz = _last_z_window;
truelight@0: 
Darkvater@5124: 	/* Bring the window just below the vital windows */
truelight@0: 	do {
Darkvater@5124: 		if (--vz < _z_windows) return;
Darkvater@5124: 	} while (IsVitalWindow(*vz));
truelight@0: 
Darkvater@5124: 	if (wz == vz) return; // window is already in the right position
Darkvater@5124: 	assert(wz < vz);
truelight@0: 
Darkvater@5124: 	tempz = *wz;
Darkvater@5124: 	memmove(wz, wz + 1, (byte*)vz - (byte*)wz);
Darkvater@5124: 	*vz = tempz;
truelight@0: 
Darkvater@5124: 	SetWindowDirty(w);
truelight@0: }
truelight@0: 
darkvater@1648: /** We have run out of windows, so find a suitable candidate for replacement.
darkvater@1648:  * Keep all important windows intact. These are
darkvater@1648:  * - Main window (gamefield), Toolbar, Statusbar (always on)
darkvater@1648:  * - News window, Chatbar (when on)
darkvater@1648:  * - Any sticked windows since we wanted to keep these
darkvater@1648:  * @return w pointer to the window that is going to be deleted
darkvater@1648:  */
rubidium@6573: static Window *FindDeletableWindow()
darkvater@763: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
tron@2639: 		if (w->window_class != WC_MAIN_WINDOW && !IsVitalWindow(w) && !(w->flags4 & WF_STICKY)) {
tron@2639: 			return w;
tron@2639: 		}
darkvater@763: 	}
darkvater@763: 	return NULL;
darkvater@763: }
darkvater@763: 
darkvater@1648: /** A window must be freed, and all are marked as important windows. Ease the
darkvater@1648:  * restriction a bit by allowing to delete sticky windows. Keep important/vital
darkvater@1648:  * windows intact (Main window, Toolbar, Statusbar, News Window, Chatbar)
Darkvater@5124:  * Start finding an appropiate candidate from the lowest z-values (bottom)
darkvater@1648:  * @see FindDeletableWindow()
darkvater@1648:  * @return w Pointer to the window that is being deleted
darkvater@1648:  */
rubidium@6573: static Window *ForceFindDeletableWindow()
darkvater@763: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5124: 	for (wz = _z_windows;; wz++) {
Darkvater@5124: 		Window *w = *wz;
Darkvater@5124: 		assert(wz < _last_z_window);
tron@2639: 		if (w->window_class != WC_MAIN_WINDOW && !IsVitalWindow(w)) return w;
darkvater@763: 	}
darkvater@763: }
darkvater@763: 
belugas@4171: bool IsWindowOfPrototype(const Window *w, const Widget *widget)
truelight@867: {
truelight@867: 	return (w->original_widget == widget);
truelight@867: }
truelight@867: 
belugas@6939: /** Copies 'widget' to 'w->widget' to allow for resizable windows
belugas@6939:  * @param w Window on which to attach the widget array
belugas@6939:  * @param widget pointer of widget array to fill the window with */
truelight@867: void AssignWidgetToWindow(Window *w, const Widget *widget)
truelight@867: {
truelight@867: 	w->original_widget = widget;
truelight@867: 
truelight@867: 	if (widget != NULL) {
truelight@867: 		uint index = 1;
belugas@4171: 		const Widget *wi;
truelight@867: 
tron@2639: 		for (wi = widget; wi->type != WWT_LAST; wi++) index++;
tron@2639: 
KUDr@5860: 		w->widget = ReallocT(w->widget, index);
tron@2639: 		memcpy(w->widget, widget, sizeof(*w->widget) * index);
rubidium@5232: 		w->widget_count = index - 1;
tron@2639: 	} else {
truelight@867: 		w->widget = NULL;
rubidium@5232: 		w->widget_count = 0;
tron@2639: 	}
truelight@867: }
truelight@867: 
rubidium@6573: static Window *FindFreeWindow()
Darkvater@5124: {
Darkvater@5124: 	Window *w;
Darkvater@5124: 
Darkvater@5124: 	for (w = _windows; w < endof(_windows); w++) {
Darkvater@5124: 		Window* const *wz;
Darkvater@5124: 		bool window_in_use = false;
Darkvater@5124: 
Darkvater@5124: 		FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 			if (*wz == w) {
Darkvater@5124: 				window_in_use = true;
Darkvater@5124: 				break;
Darkvater@5124: 			}
Darkvater@5124: 		}
Darkvater@5124: 
Darkvater@5124: 		if (!window_in_use) return w;
Darkvater@5124: 	}
Darkvater@5124: 
Darkvater@5124: 	assert(_last_z_window == endof(_z_windows));
Darkvater@5124: 	return NULL;
Darkvater@5124: }
Darkvater@5124: 
belugas@6939: /** Open a new window.
bjarni@4520:  * This function is called from AllocateWindow() or AllocateWindowDesc()
bjarni@4520:  * See descriptions for those functions for usage
bjarni@4520:  * See AllocateWindow() for description of arguments.
bjarni@4520:  * Only addition here is window_number, which is the window_number being assigned to the new window
belugas@6939:  * @param x offset in pixels from the left of the screen
belugas@6939:  * @param y offset in pixels from the top of the screen
belugas@6939:  * @param width width in pixels of the window
belugas@6939:  * @param height height in pixels of the window
belugas@6939:  * @param *proc see WindowProc function to call when any messages/updates happen to the window
belugas@6939:  * @param cls see WindowClass class of the window, used for identification and grouping
belugas@6939:  * @param *widget see Widget pointer to the window layout and various elements
belugas@6939:  * @param window_number number being assigned to the new window
belugas@6939:  * @return Window pointer of the newly created window */
bjarni@4520: static Window *LocalAllocateWindow(
darkvater@1648: 							int x, int y, int width, int height,
bjarni@4520: 							WindowProc *proc, WindowClass cls, const Widget *widget, int window_number)
truelight@0: {
Darkvater@5124: 	Window *w = FindFreeWindow();
truelight@0: 
Darkvater@5124: 	/* We have run out of windows, close one and use that as the place for our new one */
Darkvater@5124: 	if (w == NULL) {
Darkvater@5124: 		w = FindDeletableWindow();
Darkvater@5124: 		if (w == NULL) w = ForceFindDeletableWindow();
Darkvater@5124: 		DeleteWindow(w);
truelight@0: 	}
truelight@0: 
belugas@6928: 	/* Set up window properties */
Darkvater@5120: 	memset(w, 0, sizeof(*w));
truelight@0: 	w->window_class = cls;
darkvater@1648: 	w->flags4 = WF_WHITE_BORDER_MASK; // just opened windows have a white border
truelight@0: 	w->caption_color = 0xFF;
truelight@0: 	w->left = x;
truelight@0: 	w->top = y;
truelight@0: 	w->width = width;
truelight@0: 	w->height = height;
truelight@0: 	w->wndproc = proc;
truelight@867: 	AssignWidgetToWindow(w, widget);
truelight@867: 	w->resize.width = width;
truelight@867: 	w->resize.height = height;
truelight@867: 	w->resize.step_width = 1;
truelight@867: 	w->resize.step_height = 1;
bjarni@4520: 	w->window_number = window_number;
truelight@0: 
Darkvater@5124: 	{
Darkvater@5124: 		Window **wz = _last_z_window;
Darkvater@5124: 
Darkvater@5124: 		/* Hacky way of specifying always-on-top windows. These windows are
Darkvater@5124: 		 * always above other windows because they are moved below them.
Darkvater@5124: 		 * status-bar is above news-window because it has been created earlier.
Darkvater@5124: 		 * Also, as the chat-window is excluded from this, it will always be
Darkvater@5124: 		 * the last window, thus always on top.
Darkvater@5124: 		 * XXX - Yes, ugly, probably needs something like w->always_on_top flag
Darkvater@5124: 		 * to implement correctly, but even then you need some kind of distinction
Darkvater@5124: 		 * between on-top of chat/news and status windows, because these conflict */
Darkvater@5124: 		if (wz != _z_windows && w->window_class != WC_SEND_NETWORK_MSG) {
Darkvater@5124: 			if (FindWindowById(WC_MAIN_TOOLBAR, 0)     != NULL) wz--;
Darkvater@5124: 			if (FindWindowById(WC_STATUS_BAR, 0)       != NULL) wz--;
Darkvater@5124: 			if (FindWindowById(WC_NEWS_WINDOW, 0)      != NULL) wz--;
Darkvater@5124: 			if (FindWindowById(WC_SEND_NETWORK_MSG, 0) != NULL) wz--;
Darkvater@5124: 
Darkvater@5124: 			assert(wz >= _z_windows);
Darkvater@5124: 			if (wz != _last_z_window) memmove(wz + 1, wz, (byte*)_last_z_window - (byte*)wz);
Darkvater@5124: 		}
Darkvater@5124: 
Darkvater@5124: 		*wz = w;
Darkvater@5124: 		_last_z_window++;
Darkvater@5124: 	}
truelight@0: 
truelight@0: 	SetWindowDirty(w);
dominik@116: 	CallWindowEventNP(w, WE_CREATE);
truelight@0: 
truelight@0: 	return w;
truelight@0: }
truelight@0: 
bjarni@4520: /**
bjarni@4520:  * Open a new window. If there is no space for a new window, close an open
bjarni@4520:  * window. Try to avoid stickied windows, but if there is no else, close one of
bjarni@4520:  * those as well. Then make sure all created windows are below some always-on-top
bjarni@4520:  * ones. Finally set all variables and call the WE_CREATE event
bjarni@4520:  * @param x offset in pixels from the left of the screen
bjarni@4520:  * @param y offset in pixels from the top of the screen
bjarni@4520:  * @param width width in pixels of the window
bjarni@4520:  * @param height height in pixels of the window
belugas@6939:  * @param *proc see WindowProc function to call when any messages/updates happen to the window
belugas@6939:  * @param cls see WindowClass class of the window, used for identification and grouping
belugas@6939:  * @param *widget see Widget pointer to the window layout and various elements
belugas@6939:  * @return Window pointer of the newly created window */
bjarni@4520: Window *AllocateWindow(
bjarni@4520: 							int x, int y, int width, int height,
bjarni@4520: 							WindowProc *proc, WindowClass cls, const Widget *widget)
bjarni@4520: {
bjarni@4520: 	return LocalAllocateWindow(x, y, width, height, proc, cls, widget, 0);
bjarni@4520: }
truelight@0: 
rubidium@6574: struct SizeRect {
truelight@0: 	int left,top,width,height;
rubidium@6574: };
truelight@0: 
truelight@0: 
peter1138@7028: static bool IsGoodAutoPlace1(int left, int top, int width, int height, Point &pos)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 
peter1138@7028: 	int right  = width + left;
peter1138@7028: 	int bottom = height + top;
truelight@0: 
truelight@0: 	if (left < 0 || top < 22 || right > _screen.width || bottom > _screen.height)
truelight@0: 		return false;
truelight@0: 
belugas@6928: 	/* Make sure it is not obscured by any window. */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == WC_MAIN_WINDOW) continue;
truelight@0: 
truelight@158: 		if (right > w->left &&
tron@2639: 				w->left + w->width > left &&
truelight@0: 				bottom > w->top &&
tron@2639: 				w->top + w->height > top) {
tron@2639: 			return false;
tron@2639: 		}
truelight@158: 	}
truelight@0: 
peter1138@7028: 	pos.x = left;
peter1138@7028: 	pos.y = top;
truelight@0: 	return true;
truelight@0: }
truelight@0: 
peter1138@7028: static bool IsGoodAutoPlace2(int left, int top, int width, int height, Point &pos)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 
Darkvater@5120: 	if (left < -(width>>2) || left > _screen.width - (width>>1)) return false;
Darkvater@5120: 	if (top < 22 || top > _screen.height - (height>>2)) return false;
truelight@0: 
belugas@6928: 	/* Make sure it is not obscured by any window. */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == WC_MAIN_WINDOW) continue;
truelight@0: 
truelight@158: 		if (left + width > w->left &&
tron@2639: 				w->left + w->width > left &&
truelight@0: 				top + height > w->top &&
tron@2639: 				w->top + w->height > top) {
tron@2639: 			return false;
tron@2639: 		}
truelight@158: 	}
truelight@0: 
peter1138@7028: 	pos.x = left;
peter1138@7028: 	pos.y = top;
truelight@0: 	return true;
truelight@0: }
truelight@0: 
tron@1095: static Point GetAutoPlacePosition(int width, int height)
tron@1095: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 	Point pt;
truelight@0: 
peter1138@7028: 	if (IsGoodAutoPlace1(0, 24, width, height, pt)) return pt;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == WC_MAIN_WINDOW) continue;
truelight@0: 
peter1138@7028: 		if (IsGoodAutoPlace1(w->left + w->width + 2, w->top, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left - width - 2,    w->top, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left, w->top + w->height + 2, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left, w->top - height - 2,    width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left + w->width + 2, w->top + w->height - height, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left - width - 2,    w->top + w->height - height, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left + w->width - width, w->top + w->height + 2, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace1(w->left + w->width - width, w->top - height - 2,    width, height, pt)) return pt;
truelight@158: 	}
truelight@158: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == WC_MAIN_WINDOW) continue;
truelight@0: 
peter1138@7028: 		if (IsGoodAutoPlace2(w->left + w->width + 2, w->top, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace2(w->left - width - 2,    w->top, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace2(w->left, w->top + w->height + 2, width, height, pt)) return pt;
peter1138@7028: 		if (IsGoodAutoPlace2(w->left, w->top - height - 2,    width, height, pt)) return pt;
truelight@0: 	}
truelight@0: 
truelight@0: 	{
peter1138@7028: 		int left = 0, top = 24;
truelight@158: 
peter1138@7028: restart:
Darkvater@5124: 		FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 			const Window *w = *wz;
Darkvater@5124: 
truelight@0: 			if (w->left == left && w->top == top) {
truelight@0: 				left += 5;
truelight@0: 				top += 5;
truelight@0: 				goto restart;
truelight@0: 			}
truelight@0: 		}
truelight@158: 
truelight@0: 		pt.x = left;
truelight@0: 		pt.y = top;
truelight@0: 		return pt;
truelight@0: 	}
truelight@0: }
truelight@0: 
bjarni@4520: static Window *LocalAllocateWindowDesc(const WindowDesc *desc, int window_number)
truelight@0: {
truelight@0: 	Point pt;
truelight@0: 	Window *w;
truelight@0: 
Darkvater@5071: 	/* By default position a child window at an offset of 10/10 of its parent.
Darkvater@5071: 	 * However if it falls too extremely outside window positions, reposition
Darkvater@5071: 	 * it to an automatic place */
Darkvater@5071: 	if (desc->parent_cls != 0 /* WC_MAIN_WINDOW */ &&
Darkvater@5071: 			(w = FindWindowById(desc->parent_cls, window_number)) != NULL &&
Darkvater@5071: 			w->left < _screen.width - 20 && w->left > -60 && w->top < _screen.height - 20) {
Darkvater@5071: 
truelight@0: 		pt.x = w->left + 10;
Darkvater@5071: 		if (pt.x > _screen.width + 10 - desc->width) {
truelight@0: 			pt.x = (_screen.width + 10 - desc->width) - 20;
Darkvater@5071: 		}
truelight@0: 		pt.y = w->top + 10;
truelight@0: 	} else {
Darkvater@5072: 		switch (desc->left) {
Darkvater@5072: 			case WDP_ALIGN_TBR: { /* Align the right side with the top toolbar */
Darkvater@5072: 				w = FindWindowById(WC_MAIN_TOOLBAR, 0);
Darkvater@5072: 				pt.x = (w->left + w->width) - desc->width;
rubidium@6988: 			} break;
Darkvater@5072: 			case WDP_ALIGN_TBL: /* Align the left side with the top toolbar */
Darkvater@5072: 				pt.x = FindWindowById(WC_MAIN_TOOLBAR, 0)->left;
Darkvater@5072: 				break;
Darkvater@5072: 			case WDP_AUTO: /* Find a good automatic position for the window */
Darkvater@5072: 				pt = GetAutoPlacePosition(desc->width, desc->height);
Darkvater@5072: 				goto allocate_window;
Darkvater@5072: 			case WDP_CENTER: /* Centre the window horizontally */
Darkvater@5072: 				pt.x = (_screen.width - desc->width) / 2;
Darkvater@5072: 				break;
Darkvater@5072: 			default:
Darkvater@5072: 				pt.x = desc->left;
Darkvater@5072: 				if (pt.x < 0) pt.x += _screen.width; // negative is from right of the screen
Darkvater@5072: 		}
Darkvater@5072: 
Darkvater@5072: 		switch (desc->top) {
Darkvater@5072: 			case WDP_CENTER: /* Centre the window vertically */
Darkvater@5072: 				pt.y = (_screen.height - desc->height) / 2;
Darkvater@5072: 				break;
Darkvater@5072: 			/* WDP_AUTO sets the position at once and is controlled by desc->left.
Darkvater@5072: 			 * Both left and top must be set to WDP_AUTO */
Darkvater@5072: 			case WDP_AUTO:
Darkvater@5072: 				NOT_REACHED();
Darkvater@5072: 				assert(desc->left == WDP_AUTO && desc->top != WDP_AUTO);
Darkvater@5072: 				/* fallthrough */
Darkvater@5072: 			default:
Darkvater@5072: 				pt.y = desc->top;
Darkvater@5072: 				if (pt.y < 0) pt.y += _screen.height; // negative is from bottom of the screen
Darkvater@5072: 				break;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
Darkvater@5072: allocate_window:
bjarni@4520: 	w = LocalAllocateWindow(pt.x, pt.y, desc->width, desc->height, desc->proc, desc->cls, desc->widgets, window_number);
truelight@0: 	w->desc_flags = desc->flags;
truelight@0: 	return w;
truelight@0: }
truelight@0: 
bjarni@4520: /**
bjarni@4520:  * Open a new window.
bjarni@4520:  * @param *desc The pointer to the WindowDesc to be created
belugas@6939:  * @return Window pointer of the newly created window
bjarni@4520:  */
bjarni@4520: Window *AllocateWindowDesc(const WindowDesc *desc)
bjarni@4520: {
bjarni@4520: 	return LocalAllocateWindowDesc(desc, 0);
bjarni@4520: }
bjarni@4520: 
bjarni@4520: /**
bjarni@4520:  * Open a new window.
bjarni@4520:  * @param *desc The pointer to the WindowDesc to be created
bjarni@4520:  * @param window_number the window number of the new window
belugas@6939:  * @return see Window pointer of the newly created window
bjarni@4520:  */
bjarni@4520: Window *AllocateWindowDescFront(const WindowDesc *desc, int window_number)
bjarni@4520: {
bjarni@4520: 	Window *w;
bjarni@4520: 
bjarni@4520: 	if (BringWindowToFrontById(desc->cls, window_number)) return NULL;
bjarni@4520: 	w = LocalAllocateWindowDesc(desc, window_number);
bjarni@4520: 	return w;
bjarni@4520: }
bjarni@4520: 
Darkvater@5120: /** Do a search for a window at specific coordinates. For this we start
Darkvater@5120:  * at the topmost window, obviously and work our way down to the bottom
belugas@6939:  * @param x position x to query
belugas@6939:  * @param y position y to query
Darkvater@5120:  * @return a pointer to the found window if any, NULL otherwise */
truelight@0: Window *FindWindowFromPt(int x, int y)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		Window *w = *--wz;
Darkvater@5120: 		if (IS_INSIDE_1D(x, w->left, w->width) && IS_INSIDE_1D(y, w->top, w->height)) {
tron@2639: 			return w;
tron@2639: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
rubidium@6573: void InitWindowSystem()
darkvater@152: {
dominik@136: 	IConsoleClose();
Darkvater@1474: 
truelight@0: 	memset(&_windows, 0, sizeof(_windows));
Darkvater@5124: 	_last_z_window = _z_windows;
Darkvater@5122: 	InitViewports();
Darkvater@1397: 	_no_scroll = 0;
truelight@0: }
truelight@0: 
rubidium@6573: void UnInitWindowSystem()
Darkvater@1474: {
Darkvater@5664: 	Window **wz;
Darkvater@5893: 
Darkvater@5893: restart_search:
Darkvater@5893: 	/* Delete all windows, reset z-array.
Darkvater@5893: 	 *When we find the window to delete, we need to restart the search
Darkvater@5893: 	 * as deleting this window could cascade in deleting (many) others
Darkvater@5893: 	 * anywhere in the z-array. We call DeleteWindow() so that it can properly
Darkvater@5893: 	 * release own alloc'd memory, which otherwise could result in memleaks */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5893: 		DeleteWindow(*wz);
Darkvater@5893: 		goto restart_search;
Darkvater@1474: 	}
Darkvater@5893: 
Darkvater@5893: 	assert(_last_z_window == _z_windows);
Darkvater@1474: }
Darkvater@1474: 
rubidium@6573: void ResetWindowSystem()
Darkvater@1474: {
Darkvater@1474: 	UnInitWindowSystem();
Darkvater@1474: 	InitWindowSystem();
Darkvater@1744: 	_thd.pos.x = 0;
Darkvater@1744: 	_thd.pos.y = 0;
Darkvater@2877: 	_thd.new_pos.x = 0;
Darkvater@2877: 	_thd.new_pos.y = 0;
Darkvater@1474: }
Darkvater@1474: 
rubidium@6573: static void DecreaseWindowCounters()
truelight@0: {
truelight@0: 	Window *w;
Darkvater@5124: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		w = *--wz;
belugas@6928: 		/* Unclick scrollbar buttons if they are pressed. */
truelight@0: 		if (w->flags4 & (WF_SCROLL_DOWN | WF_SCROLL_UP)) {
truelight@0: 			w->flags4 &= ~(WF_SCROLL_DOWN | WF_SCROLL_UP);
truelight@0: 			SetWindowDirty(w);
truelight@0: 		}
truelight@0: 		CallWindowEventNP(w, WE_MOUSELOOP);
truelight@0: 	}
truelight@0: 
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		w = *--wz;
truelight@158: 
truelight@0: 		if (w->flags4&WF_TIMEOUT_MASK && !(--w->flags4&WF_TIMEOUT_MASK)) {
truelight@0: 			CallWindowEventNP(w, WE_TIMEOUT);
belugas@4719: 			if (w->desc_flags & WDF_UNCLICK_BUTTONS) RaiseWindowButtons(w);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@6573: Window *GetCallbackWnd()
truelight@0: {
truelight@0: 	return FindWindowById(_thd.window_class, _thd.window_number);
truelight@0: }
truelight@0: 
rubidium@6573: static void HandlePlacePresize()
truelight@0: {
truelight@0: 	Window *w;
truelight@0: 	WindowEvent e;
truelight@0: 
tron@2639: 	if (_special_mouse_mode != WSM_PRESIZE) return;
truelight@0: 
tron@2639: 	w = GetCallbackWnd();
tron@2639: 	if (w == NULL) return;
truelight@0: 
belugas@4634: 	e.we.place.pt = GetTileBelowCursor();
belugas@4634: 	if (e.we.place.pt.x == -1) {
truelight@0: 		_thd.selend.x = -1;
truelight@0: 		return;
truelight@0: 	}
belugas@4634: 	e.we.place.tile = TileVirtXY(e.we.place.pt.x, e.we.place.pt.y);
truelight@0: 	e.event = WE_PLACE_PRESIZE;
truelight@0: 	w->wndproc(w, &e);
truelight@0: }
truelight@0: 
rubidium@6573: static bool HandleDragDrop()
truelight@0: {
truelight@0: 	Window *w;
truelight@0: 	WindowEvent e;
truelight@0: 
tron@2639: 	if (_special_mouse_mode != WSM_DRAGDROP) return true;
truelight@0: 
tron@2639: 	if (_left_button_down) return false;
truelight@158: 
truelight@0: 	w = GetCallbackWnd();
truelight@0: 
truelight@0: 	ResetObjectToPlace();
truelight@0: 
tron@2639: 	if (w != NULL) {
belugas@6928: 		/* send an event in client coordinates. */
truelight@0: 		e.event = WE_DRAGDROP;
belugas@4634: 		e.we.dragdrop.pt.x = _cursor.pos.x - w->left;
belugas@4634: 		e.we.dragdrop.pt.y = _cursor.pos.y - w->top;
belugas@4634: 		e.we.dragdrop.widget = GetWidgetFromPos(w, e.we.dragdrop.pt.x, e.we.dragdrop.pt.y);
truelight@0: 		w->wndproc(w, &e);
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
rubidium@6573: static bool HandlePopupMenu()
truelight@0: {
truelight@0: 	Window *w;
truelight@0: 	WindowEvent e;
truelight@0: 
tron@2639: 	if (!_popup_menu_active) return true;
truelight@0: 
truelight@0: 	w = FindWindowById(WC_TOOLBAR_MENU, 0);
truelight@0: 	if (w == NULL) {
truelight@0: 		_popup_menu_active = false;
truelight@0: 		return false;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (_left_button_down) {
truelight@0: 		e.event = WE_POPUPMENU_OVER;
belugas@4634: 		e.we.popupmenu.pt = _cursor.pos;
truelight@0: 	} else {
truelight@0: 		_popup_menu_active = false;
truelight@0: 		e.event = WE_POPUPMENU_SELECT;
belugas@4634: 		e.we.popupmenu.pt = _cursor.pos;
truelight@0: 	}
truelight@0: 
darkvater@1038: 	w->wndproc(w, &e);
darkvater@1038: 
truelight@0: 	return false;
truelight@0: }
truelight@0: 
rubidium@6573: static bool HandleMouseOver()
truelight@543: {
truelight@543: 	Window *w;
truelight@543: 	WindowEvent e;
truelight@543: 	static Window *last_w = NULL;
truelight@543: 
truelight@543: 	w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
truelight@543: 
belugas@6928: 	/* We changed window, put a MOUSEOVER event to the last window */
tron@2639: 	if (last_w != NULL && last_w != w) {
truelight@543: 		e.event = WE_MOUSEOVER;
belugas@4634: 		e.we.mouseover.pt.x = -1;
belugas@4634: 		e.we.mouseover.pt.y = -1;
tron@2639: 		if (last_w->wndproc) last_w->wndproc(last_w, &e);
truelight@543: 	}
truelight@543: 	last_w = w;
truelight@543: 
tron@2639: 	if (w != NULL) {
belugas@6928: 		/* send an event in client coordinates. */
truelight@543: 		e.event = WE_MOUSEOVER;
belugas@4634: 		e.we.mouseover.pt.x = _cursor.pos.x - w->left;
belugas@4634: 		e.we.mouseover.pt.y = _cursor.pos.y - w->top;
truelight@543: 		if (w->widget != NULL) {
belugas@4634: 			e.we.mouseover.widget = GetWidgetFromPos(w, e.we.mouseover.pt.x, e.we.mouseover.pt.y);
truelight@543: 		}
truelight@543: 		w->wndproc(w, &e);
truelight@543: 	}
truelight@543: 
belugas@6928: 	/* Mouseover never stops execution */
truelight@543: 	return true;
truelight@543: }
truelight@543: 
Darkvater@5268: /** Update all the widgets of a window based on their resize flags
Darkvater@5268:  * Both the areas of the old window and the new sized window are set dirty
Darkvater@5268:  * ensuring proper redrawal.
Darkvater@5268:  * @param w Window to resize
belugas@6977:  * @param x delta x-size of changed window (positive if larger, etc.)
Darkvater@5268:  * @param y delta y-size of changed window */
Darkvater@5268: void ResizeWindow(Window *w, int x, int y)
Darkvater@5268: {
Darkvater@5268: 	Widget *wi;
Darkvater@5268: 	bool resize_height = false;
Darkvater@5268: 	bool resize_width = false;
Darkvater@5268: 
Darkvater@5268: 	if (x == 0 && y == 0) return;
Darkvater@5268: 
Darkvater@5268: 	SetWindowDirty(w);
Darkvater@5268: 	for (wi = w->widget; wi->type != WWT_LAST; wi++) {
Darkvater@5268: 		/* Isolate the resizing flags */
Darkvater@5268: 		byte rsizeflag = GB(wi->display_flags, 0, 4);
Darkvater@5268: 
Darkvater@5268: 		if (rsizeflag == RESIZE_NONE) continue;
Darkvater@5268: 
Darkvater@5268: 		/* Resize the widget based on its resize-flag */
Darkvater@5268: 		if (rsizeflag & RESIZE_LEFT) {
Darkvater@5268: 			wi->left += x;
Darkvater@5268: 			resize_width = true;
Darkvater@5268: 		}
Darkvater@5268: 
Darkvater@5268: 		if (rsizeflag & RESIZE_RIGHT) {
Darkvater@5268: 			wi->right += x;
Darkvater@5268: 			resize_width = true;
Darkvater@5268: 		}
Darkvater@5268: 
Darkvater@5268: 		if (rsizeflag & RESIZE_TOP) {
Darkvater@5268: 			wi->top += y;
Darkvater@5268: 			resize_height = true;
Darkvater@5268: 		}
Darkvater@5268: 
Darkvater@5268: 		if (rsizeflag & RESIZE_BOTTOM) {
Darkvater@5268: 			wi->bottom += y;
Darkvater@5268: 			resize_height = true;
Darkvater@5268: 		}
Darkvater@5268: 	}
Darkvater@5268: 
Darkvater@5268: 	/* We resized at least 1 widget, so let's resize the window totally */
Darkvater@5268: 	if (resize_width)  w->width  += x;
Darkvater@5268: 	if (resize_height) w->height += y;
Darkvater@5268: 
Darkvater@5268: 	SetWindowDirty(w);
Darkvater@5268: }
tron@2596: 
tron@2596: static bool _dragging_window;
tron@2596: 
rubidium@6573: static bool HandleWindowDragging()
truelight@0: {
Darkvater@5124: 	Window* const *wz;
belugas@6928: 	/* Get out immediately if no window is being dragged at all. */
tron@2639: 	if (!_dragging_window) return true;
truelight@0: 
belugas@6928: 	/* Otherwise find the window... */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
Darkvater@5124: 
tron@350: 		if (w->flags4 & WF_DRAGGING) {
tron@370: 			const Widget *t = &w->widget[1]; // the title bar ... ugh
tron@350: 			const Window *v;
tron@350: 			int x;
tron@350: 			int y;
tron@350: 			int nx;
tron@350: 			int ny;
truelight@158: 
belugas@6928: 			/* Stop the dragging if the left mouse button was released */
truelight@0: 			if (!_left_button_down) {
tron@350: 				w->flags4 &= ~WF_DRAGGING;
truelight@0: 				break;
truelight@0: 			}
truelight@0: 
truelight@0: 			SetWindowDirty(w);
truelight@0: 
tron@350: 			x = _cursor.pos.x + _drag_delta.x;
tron@350: 			y = _cursor.pos.y + _drag_delta.y;
tron@350: 			nx = x;
tron@350: 			ny = y;
tron@350: 
tron@350: 			if (_patches.window_snap_radius != 0) {
Darkvater@5137: 				Window* const *vz;
Darkvater@5124: 
tron@353: 				int hsnap = _patches.window_snap_radius;
tron@353: 				int vsnap = _patches.window_snap_radius;
tron@353: 				int delta;
tron@350: 
Darkvater@5124: 				FOR_ALL_WINDOWS(vz) {
Darkvater@5124: 					const Window *v = *vz;
Darkvater@5124: 
tron@350: 					if (v == w) continue; // Don't snap at yourself
tron@350: 
tron@350: 					if (y + w->height > v->top && y < v->top + v->height) {
belugas@6928: 						/* Your left border <-> other right border */
tron@350: 						delta = abs(v->left + v->width - x);
tron@350: 						if (delta <= hsnap) {
tron@350: 							nx = v->left + v->width;
tron@350: 							hsnap = delta;
tron@350: 						}
tron@350: 
belugas@6928: 						/* Your right border <-> other left border */
tron@350: 						delta = abs(v->left - x - w->width);
tron@350: 						if (delta <= hsnap) {
tron@350: 							nx = v->left - w->width;
tron@350: 							hsnap = delta;
tron@350: 						}
tron@350: 					}
tron@350: 
tron@353: 					if (w->top + w->height >= v->top && w->top <= v->top + v->height) {
belugas@6928: 						/* Your left border <-> other left border */
tron@353: 						delta = abs(v->left - x);
tron@353: 						if (delta <= hsnap) {
tron@353: 							nx = v->left;
tron@353: 							hsnap = delta;
tron@353: 						}
tron@353: 
belugas@6928: 						/* Your right border <-> other right border */
tron@353: 						delta = abs(v->left + v->width - x - w->width);
tron@353: 						if (delta <= hsnap) {
tron@353: 							nx = v->left + v->width - w->width;
tron@353: 							hsnap = delta;
tron@353: 						}
tron@353: 					}
tron@353: 
tron@350: 					if (x + w->width > v->left && x < v->left + v->width) {
belugas@6928: 						/* Your top border <-> other bottom border */
tron@350: 						delta = abs(v->top + v->height - y);
tron@350: 						if (delta <= vsnap) {
tron@350: 							ny = v->top + v->height;
tron@350: 							vsnap = delta;
tron@350: 						}
tron@350: 
belugas@6928: 						/* Your bottom border <-> other top border */
tron@350: 						delta = abs(v->top - y - w->height);
tron@350: 						if (delta <= vsnap) {
tron@350: 							ny = v->top - w->height;
tron@350: 							vsnap = delta;
tron@350: 						}
tron@350: 					}
tron@353: 
tron@353: 					if (w->left + w->width >= v->left && w->left <= v->left + v->width) {
belugas@6928: 						/* Your top border <-> other top border */
tron@353: 						delta = abs(v->top - y);
tron@353: 						if (delta <= vsnap) {
tron@353: 							ny = v->top;
tron@353: 							vsnap = delta;
tron@353: 						}
tron@353: 
belugas@6928: 						/* Your bottom border <-> other bottom border */
tron@353: 						delta = abs(v->top + v->height - y - w->height);
tron@353: 						if (delta <= vsnap) {
tron@353: 							ny = v->top + v->height - w->height;
tron@353: 							vsnap = delta;
tron@353: 						}
tron@353: 					}
truelight@0: 				}
truelight@0: 			}
truelight@158: 
belugas@6928: 			/* Make sure the window doesn't leave the screen
belugas@6928: 			 * 13 is the height of the title bar */
tron@370: 			nx = clamp(nx, 13 - t->right, _screen.width - 13 - t->left);
tron@350: 			ny = clamp(ny, 0, _screen.height - 13);
tron@350: 
belugas@6928: 			/* Make sure the title bar isn't hidden by behind the main tool bar */
tron@370: 			v = FindWindowById(WC_MAIN_TOOLBAR, 0);
tron@370: 			if (v != NULL) {
tron@370: 				int v_bottom = v->top + v->height;
tron@370: 				int v_right = v->left + v->width;
tron@370: 				if (ny + t->top >= v->top && ny + t->top < v_bottom) {
tron@371: 					if ((v->left < 13 && nx + t->left < v->left) ||
tron@371: 							(v_right > _screen.width - 13 && nx + t->right > v_right)) {
tron@370: 						ny = v_bottom;
tron@370: 					} else {
tron@370: 						if (nx + t->left > v->left - 13 &&
tron@370: 								nx + t->right < v_right + 13) {
tron@2639: 							if (w->top >= v_bottom) {
tron@370: 								ny = v_bottom;
tron@2639: 							} else if (w->left < nx) {
tron@370: 								nx = v->left - 13 - t->left;
tron@2639: 							} else {
tron@370: 								nx = v_right + 13 - t->right;
tron@2639: 							}
tron@370: 						}
tron@370: 					}
tron@370: 				}
tron@370: 			}
tron@370: 
tron@350: 			if (w->viewport != NULL) {
tron@350: 				w->viewport->left += nx - w->left;
tron@350: 				w->viewport->top  += ny - w->top;
tron@350: 			}
tron@350: 			w->left = nx;
tron@350: 			w->top  = ny;
tron@350: 
truelight@0: 			SetWindowDirty(w);
truelight@0: 			return false;
truelight@867: 		} else if (w->flags4 & WF_SIZING) {
truelight@867: 			WindowEvent e;
truelight@867: 			int x, y;
truelight@867: 
truelight@867: 			/* Stop the sizing if the left mouse button was released */
truelight@867: 			if (!_left_button_down) {
truelight@867: 				w->flags4 &= ~WF_SIZING;
Darkvater@1657: 				SetWindowDirty(w);
truelight@867: 				break;
truelight@867: 			}
truelight@867: 
truelight@867: 			x = _cursor.pos.x - _drag_delta.x;
truelight@867: 			y = _cursor.pos.y - _drag_delta.y;
truelight@867: 
peter1138@2675: 			/* X and Y has to go by step.. calculate it.
peter1138@2675: 			 * The cast to int is necessary else x/y are implicitly casted to
peter1138@2675: 			 * unsigned int, which won't work. */
peter1138@2675: 			if (w->resize.step_width > 1) x -= x % (int)w->resize.step_width;
truelight@867: 
peter1138@2675: 			if (w->resize.step_height > 1) y -= y % (int)w->resize.step_height;
truelight@867: 
truelight@867: 			/* Check if we don't go below the minimum set size */
truelight@867: 			if ((int)w->width + x < (int)w->resize.width)
truelight@867: 				x = w->resize.width - w->width;
truelight@867: 			if ((int)w->height + y < (int)w->resize.height)
truelight@867: 				y = w->resize.height - w->height;
truelight@867: 
truelight@867: 			/* Window already on size */
tron@2639: 			if (x == 0 && y == 0) return false;
truelight@867: 
truelight@867: 			/* Now find the new cursor pos.. this is NOT _cursor, because
truelight@867: 			    we move in steps. */
truelight@867: 			_drag_delta.x += x;
truelight@867: 			_drag_delta.y += y;
truelight@867: 
Darkvater@5268: 			/* ResizeWindow sets both pre- and after-size to dirty for redrawal */
Darkvater@5268: 			ResizeWindow(w, x, y);
truelight@867: 
truelight@867: 			e.event = WE_RESIZE;
belugas@4634: 			e.we.sizing.size.x = x + w->width;
belugas@4634: 			e.we.sizing.size.y = y + w->height;
belugas@4634: 			e.we.sizing.diff.x = x;
belugas@4634: 			e.we.sizing.diff.y = y;
truelight@867: 			w->wndproc(w, &e);
truelight@867: 			return false;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	_dragging_window = false;
truelight@0: 	return false;
truelight@0: }
truelight@0: 
Darkvater@5124: static void StartWindowDrag(Window *w)
truelight@0: {
truelight@0: 	w->flags4 |= WF_DRAGGING;
truelight@0: 	_dragging_window = true;
truelight@867: 
tron@350: 	_drag_delta.x = w->left - _cursor.pos.x;
tron@350: 	_drag_delta.y = w->top  - _cursor.pos.y;
truelight@867: 
Darkvater@5124: 	BringWindowToFront(w);
truelight@0: 	DeleteWindowById(WC_DROPDOWN_MENU, 0);
truelight@0: }
truelight@0: 
Darkvater@5124: static void StartWindowSizing(Window *w)
truelight@0: {
truelight@0: 	w->flags4 |= WF_SIZING;
truelight@0: 	_dragging_window = true;
truelight@867: 
truelight@867: 	_drag_delta.x = _cursor.pos.x;
truelight@867: 	_drag_delta.y = _cursor.pos.y;
truelight@867: 
Darkvater@5124: 	BringWindowToFront(w);
truelight@0: 	DeleteWindowById(WC_DROPDOWN_MENU, 0);
truelight@0: }
truelight@0: 
truelight@0: 
rubidium@6573: static bool HandleScrollbarScrolling()
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 	int i;
truelight@0: 	int pos;
truelight@0: 	Scrollbar *sb;
truelight@0: 
belugas@6928: 	/* Get out quickly if no item is being scrolled */
tron@2639: 	if (!_scrolling_scrollbar) return true;
truelight@0: 
belugas@6928: 	/* Find the scrolling window */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
Darkvater@5124: 
truelight@0: 		if (w->flags4 & WF_SCROLL_MIDDLE) {
belugas@6928: 			/* Abort if no button is clicked any more. */
truelight@0: 			if (!_left_button_down) {
truelight@0: 				w->flags4 &= ~WF_SCROLL_MIDDLE;
truelight@0: 				SetWindowDirty(w);
truelight@0: 				break;
truelight@158: 			}
truelight@0: 
truelight@0: 			if (w->flags4 & WF_HSCROLL) {
truelight@0: 				sb = &w->hscroll;
truelight@0: 				i = _cursor.pos.x - _cursorpos_drag_start.x;
bjarni@842: 			} else if (w->flags4 & WF_SCROLL2){
bjarni@842: 				sb = &w->vscroll2;
bjarni@842: 				i = _cursor.pos.y - _cursorpos_drag_start.y;
truelight@0: 			} else {
truelight@0: 				sb = &w->vscroll;
truelight@0: 				i = _cursor.pos.y - _cursorpos_drag_start.y;
truelight@0: 			}
truelight@0: 
belugas@6928: 			/* Find the item we want to move to and make sure it's inside bounds. */
truelight@0: 			pos = min(max(0, i + _scrollbar_start_pos) * sb->count / _scrollbar_size, max(0, sb->count - sb->cap));
truelight@0: 			if (pos != sb->pos) {
truelight@0: 				sb->pos = pos;
truelight@0: 				SetWindowDirty(w);
truelight@0: 			}
truelight@0: 			return false;
truelight@158: 		}
truelight@0: 	}
truelight@158: 
truelight@0: 	_scrolling_scrollbar = false;
truelight@0: 	return false;
truelight@0: }
truelight@0: 
rubidium@6573: static bool HandleViewportScroll()
truelight@0: {
truelight@4337: 	WindowEvent e;
truelight@0: 	Window *w;
truelight@0: 
bjarni@6615: 	bool scrollwheel_scrolling = _patches.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
bjarni@6615: 
tron@2639: 	if (!_scrolling_viewport) return true;
truelight@0: 
truelight@4335: 	w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
truelight@4335: 
bjarni@6615: 	if (!(_right_button_down || scrollwheel_scrolling) || w == NULL) {
truelight@0: 		_cursor.fix_at = false;
truelight@0: 		_scrolling_viewport = false;
truelight@0: 		return true;
truelight@0: 	}
truelight@158: 
tron@2680: 	if (_patches.reverse_scroll) {
belugas@4634: 		e.we.scroll.delta.x = -_cursor.delta.x;
belugas@4634: 		e.we.scroll.delta.y = -_cursor.delta.y;
tron@2680: 	} else {
belugas@4634: 		e.we.scroll.delta.x = _cursor.delta.x;
belugas@4634: 		e.we.scroll.delta.y = _cursor.delta.y;
tron@2680: 	}
tron@2680: 
bjarni@6615: 	if (scrollwheel_scrolling) {
bjarni@6615: 		/* We are using scrollwheels for scrolling */
bjarni@6615: 		e.we.scroll.delta.x = _cursor.h_wheel;
bjarni@6615: 		e.we.scroll.delta.y = _cursor.v_wheel;
bjarni@6615: 		_cursor.v_wheel = 0;
bjarni@6615: 		_cursor.h_wheel = 0;
bjarni@6615: 	}
bjarni@6615: 
truelight@4335: 	/* Create a scroll-event and send it to the window */
truelight@4337: 	e.event = WE_SCROLL;
truelight@4337: 	w->wndproc(w, &e);
truelight@0: 
tron@2989: 	_cursor.delta.x = 0;
tron@2989: 	_cursor.delta.y = 0;
tron@2989: 	return false;
truelight@0: }
truelight@0: 
Darkvater@5667: /** Check if a window can be made top-most window, and if so do
Darkvater@5667:  * it. If a window does not obscure any other windows, it will not
Darkvater@5667:  * be brought to the foreground. Also if the only obscuring windows
Darkvater@5667:  * are so-called system-windows, the window will not be moved.
Darkvater@5667:  * The function will return false when a child window of this window is a
Darkvater@5667:  * modal-popup; function returns a false and child window gets a white border
Darkvater@5667:  * @param w Window to bring on-top
Darkvater@5667:  * @return false if the window has an active modal child, true otherwise */
Darkvater@5667: static bool MaybeBringWindowToFront(const Window *w)
truelight@0: {
Darkvater@5667: 	bool bring_to_front = false;
Darkvater@5137: 	Window* const *wz;
Darkvater@5137: 	Window* const *uz;
truelight@0: 
tron@2639: 	if (w->window_class == WC_MAIN_WINDOW ||
tron@2639: 			IsVitalWindow(w) ||
tron@2639: 			w->window_class == WC_TOOLTIPS ||
tron@2639: 			w->window_class == WC_DROPDOWN_MENU) {
Darkvater@5667: 		return true;
tron@2639: 	}
truelight@0: 
Darkvater@5124: 	wz = FindWindowZPosition(w);
Darkvater@5124: 	for (uz = wz; ++uz != _last_z_window;) {
Darkvater@5667: 		Window *u = *uz;
Darkvater@5667: 
Darkvater@5667: 		/* A modal child will prevent the activation of the parent window */
Darkvater@5667: 		if (u->parent == w && (u->desc_flags & WDF_MODAL)) {
Darkvater@5667: 			u->flags4 |= WF_WHITE_BORDER_MASK;
Darkvater@5667: 			SetWindowDirty(u);
Darkvater@5667: 			return false;
Darkvater@5667: 		}
Darkvater@5124: 
tron@2639: 		if (u->window_class == WC_MAIN_WINDOW ||
tron@2639: 				IsVitalWindow(u) ||
tron@2639: 				u->window_class == WC_TOOLTIPS ||
tron@2639: 				u->window_class == WC_DROPDOWN_MENU) {
tron@2639: 			continue;
tron@2639: 		}
truelight@0: 
Darkvater@5667: 		/* Window sizes don't interfere, leave z-order alone */
truelight@0: 		if (w->left + w->width <= u->left ||
truelight@0: 				u->left + u->width <= w->left ||
truelight@0: 				w->top  + w->height <= u->top ||
tron@2639: 				u->top + u->height <= w->top) {
tron@2639: 			continue;
tron@2639: 		}
truelight@158: 
Darkvater@5667: 		bring_to_front = true;
truelight@0: 	}
Darkvater@5667: 
Darkvater@5667: 	if (bring_to_front) BringWindowToFront(w);
Darkvater@5667: 	return true;
truelight@0: }
truelight@0: 
darkvater@1648: /** Send a message from one window to another. The receiving window is found by
belugas@6939:  * @param w Window pointer pointing to the other window
darkvater@1648:  * @param msg Specifies the message to be sent
darkvater@1648:  * @param wparam Specifies additional message-specific information
darkvater@1648:  * @param lparam Specifies additional message-specific information
darkvater@1648:  */
belugas@4171: static void SendWindowMessageW(Window *w, uint msg, uint wparam, uint lparam)
darkvater@1648: {
darkvater@1648: 	WindowEvent e;
darkvater@1648: 
belugas@4634: 	e.event             = WE_MESSAGE;
belugas@4634: 	e.we.message.msg    = msg;
belugas@4634: 	e.we.message.wparam = wparam;
belugas@4634: 	e.we.message.lparam = lparam;
darkvater@1648: 
darkvater@1648: 	w->wndproc(w, &e);
darkvater@1648: }
darkvater@1648: 
darkvater@1648: /** Send a message from one window to another. The receiving window is found by
belugas@6928:  * @param wnd_class see WindowClass class AND
belugas@6928:  * @param wnd_num see WindowNumber number, mostly 0
darkvater@1648:  * @param msg Specifies the message to be sent
darkvater@1648:  * @param wparam Specifies additional message-specific information
darkvater@1648:  * @param lparam Specifies additional message-specific information
darkvater@1648:  */
rubidium@5838: void SendWindowMessage(WindowClass wnd_class, WindowNumber wnd_num, int msg, int wparam, int lparam)
darkvater@1648: {
darkvater@1648: 	Window *w = FindWindowById(wnd_class, wnd_num);
darkvater@1648: 	if (w != NULL) SendWindowMessageW(w, msg, wparam, lparam);
darkvater@1648: }
darkvater@1648: 
Darkvater@5043: /** Send a message from one window to another. The message will be sent
Darkvater@5043:  * to ALL windows of the windowclass specified in the first parameter
belugas@6928:  * @param wnd_class see WindowClass class
Darkvater@5043:  * @param msg Specifies the message to be sent
Darkvater@5043:  * @param wparam Specifies additional message-specific information
Darkvater@5043:  * @param lparam Specifies additional message-specific information
Darkvater@5043:  */
rubidium@5838: void SendWindowMessageClass(WindowClass wnd_class, int msg, int wparam, int lparam)
Darkvater@5043: {
Darkvater@5124: 	Window* const *wz;
Darkvater@5043: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		if ((*wz)->window_class == wnd_class) SendWindowMessageW(*wz, msg, wparam, lparam);
Darkvater@5043: 	}
Darkvater@5043: }
Darkvater@5043: 
Darkvater@5086: /** Handle keyboard input.
Darkvater@5086:  * @param key Lower 8 bits contain the ASCII character, the higher
Darkvater@5086:  * 16 bits the keycode */
Darkvater@5086: void HandleKeypress(uint32 key)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
belugas@4634: 	WindowEvent e;
rubidium@4549: 	/* Stores if a window with a textfield for typing is open
rubidium@4549: 	 * If this is the case, keypress events are only passed to windows with text fields and
rubidium@4549: 	 * to thein this main toolbar. */
dominik@651: 	bool query_open = false;
truelight@158: 
Darkvater@5086: 	/*
Darkvater@5086: 	* During the generation of the world, there might be
Darkvater@5086: 	* another thread that is currently building for example
Darkvater@5086: 	* a road. To not interfere with those tasks, we should
Darkvater@5086: 	* NOT change the _current_player here.
Darkvater@5086: 	*
Darkvater@5086: 	* This is not necessary either, as the only events that
Darkvater@5086: 	* can be handled are the 'close application' events
Darkvater@5086: 	*/
Darkvater@5086: 	if (!IsGeneratingWorld()) _current_player = _local_player;
Darkvater@5086: 
belugas@6928: 	/* Setup event */
belugas@4634: 	e.event = WE_KEYPRESS;
peter1138@5108: 	e.we.keypress.key     = GB(key,  0, 16);
Darkvater@5089: 	e.we.keypress.keycode = GB(key, 16, 16);
belugas@4634: 	e.we.keypress.cont = true;
truelight@0: 
belugas@6928: 	/* check if we have a query string window open before allowing hotkeys */
truelight@4300: 	if (FindWindowById(WC_QUERY_STRING,       0) != NULL ||
truelight@4300: 			FindWindowById(WC_SEND_NETWORK_MSG,   0) != NULL ||
truelight@4300: 			FindWindowById(WC_GENERATE_LANDSCAPE, 0) != NULL ||
truelight@4300: 			FindWindowById(WC_CONSOLE,            0) != NULL ||
truelight@4300: 			FindWindowById(WC_SAVELOAD,           0) != NULL) {
dominik@651: 		query_open = true;
tron@2639: 	}
dominik@651: 
belugas@6928: 	/* Call the event, start with the uppermost window. */
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		Window *w = *--wz;
Darkvater@5124: 
belugas@6928: 		/* if a query window is open, only call the event for certain window types */
tron@2639: 		if (query_open &&
tron@2639: 				w->window_class != WC_QUERY_STRING &&
tron@2639: 				w->window_class != WC_SEND_NETWORK_MSG &&
truelight@4300: 				w->window_class != WC_GENERATE_LANDSCAPE &&
tron@2639: 				w->window_class != WC_CONSOLE &&
tron@2639: 				w->window_class != WC_SAVELOAD) {
dominik@651: 			continue;
tron@2639: 		}
belugas@4634: 		w->wndproc(w, &e);
belugas@4634: 		if (!e.we.keypress.cont) break;
truelight@0: 	}
Darkvater@1637: 
belugas@4634: 	if (e.we.keypress.cont) {
Darkvater@5124: 		Window *w = FindWindowById(WC_MAIN_TOOLBAR, 0);
belugas@6928: 		/* When there is no toolbar w is null, check for that */
belugas@4634: 		if (w != NULL) w->wndproc(w, &e);
matthijs@1642: 	}
truelight@0: }
truelight@0: 
rubidium@6573: extern void UpdateTileSelection();
rubidium@6573: extern bool VpHandlePlaceSizingDrag();
truelight@0: 
Darkvater@5090: static int _input_events_this_tick = 0;
Darkvater@5090: 
rubidium@6573: static void HandleAutoscroll()
Darkvater@5090: {
Darkvater@5090: 	Window *w;
Darkvater@5090: 	ViewPort *vp;
Darkvater@5090: 	int x = _cursor.pos.x;
Darkvater@5090: 	int y = _cursor.pos.y;
Darkvater@5090: 
Darkvater@5090: 	if (_input_events_this_tick != 0) {
Darkvater@5090: 		/* HandleAutoscroll is called only once per GameLoop() - so we can clear the counter here */
Darkvater@5090: 		_input_events_this_tick = 0;
Darkvater@5090: 		/* there were some inputs this tick, don't scroll ??? */
Darkvater@5090: 		return;
Darkvater@5090: 	}
Darkvater@5090: 
Darkvater@5090: 	if (_patches.autoscroll && _game_mode != GM_MENU && !IsGeneratingWorld()) {
Darkvater@5090: 		w = FindWindowFromPt(x, y);
Darkvater@5090: 		if (w == NULL || w->flags4 & WF_DISABLE_VP_SCROLL) return;
Darkvater@5090: 		vp = IsPtInWindowViewport(w, x, y);
Darkvater@5090: 		if (vp != NULL) {
Darkvater@5090: 			x -= vp->left;
Darkvater@5090: 			y -= vp->top;
belugas@6928: 			/* here allows scrolling in both x and y axis */
Darkvater@5090: #define scrollspeed 3
Darkvater@5090: 			if (x - 15 < 0) {
Darkvater@5090: 				WP(w, vp_d).scrollpos_x += (x - 15) * scrollspeed << vp->zoom;
Darkvater@5090: 			} else if (15 - (vp->width - x) > 0) {
Darkvater@5090: 				WP(w, vp_d).scrollpos_x += (15 - (vp->width - x)) * scrollspeed << vp->zoom;
Darkvater@5090: 			}
Darkvater@5090: 			if (y - 15 < 0) {
Darkvater@5090: 				WP(w, vp_d).scrollpos_y += (y - 15) * scrollspeed << vp->zoom;
Darkvater@5090: 			} else if (15 - (vp->height - y) > 0) {
Darkvater@5090: 				WP(w,vp_d).scrollpos_y += (15 - (vp->height - y)) * scrollspeed << vp->zoom;
Darkvater@5090: 			}
Darkvater@5090: #undef scrollspeed
Darkvater@5090: 		}
Darkvater@5090: 	}
Darkvater@5090: }
Darkvater@5090: 
Darkvater@5090: void MouseLoop(int click, int mousewheel)
truelight@0: {
truelight@0: 	int x,y;
truelight@0: 	Window *w;
truelight@0: 	ViewPort *vp;
bjarni@6615: 	bool scrollwheel_scrolling = _patches.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
truelight@158: 
truelight@0: 	DecreaseWindowCounters();
truelight@0: 	HandlePlacePresize();
truelight@0: 	UpdateTileSelection();
tron@2639: 	if (!VpHandlePlaceSizingDrag())  return;
tron@2639: 	if (!HandleDragDrop())           return;
tron@2639: 	if (!HandlePopupMenu())          return;
tron@2639: 	if (!HandleWindowDragging())     return;
tron@2639: 	if (!HandleScrollbarScrolling()) return;
tron@2639: 	if (!HandleViewportScroll())     return;
tron@2639: 	if (!HandleMouseOver())          return;
truelight@543: 
truelight@0: 	x = _cursor.pos.x;
truelight@0: 	y = _cursor.pos.y;
truelight@0: 
bjarni@6615: 	if (click == 0 && mousewheel == 0 && !scrollwheel_scrolling) return;
truelight@0: 
truelight@0: 	w = FindWindowFromPt(x, y);
tron@2639: 	if (w == NULL) return;
Darkvater@5667: 	if (!MaybeBringWindowToFront(w)) return;
truelight@0: 	vp = IsPtInWindowViewport(w, x, y);
truelight@0: 
truelight@4337: 	/* Don't allow any action in a viewport if either in menu of in generating world */
truelight@4337: 	if (vp != NULL && (_game_mode == GM_MENU || IsGeneratingWorld())) return;
truelight@158: 
truelight@4337: 	if (mousewheel != 0) {
bjarni@6622: 		if (_patches.scrollwheel_scrolling == 0) {
bjarni@6622: 			/* Scrollwheel is in zoom mode. Make the zoom event. */
bjarni@6622: 			WindowEvent e;
truelight@4337: 
bjarni@6622: 			/* Send WE_MOUSEWHEEL event to window */
bjarni@6622: 			e.event = WE_MOUSEWHEEL;
bjarni@6622: 			e.we.wheel.wheel = mousewheel;
bjarni@6622: 			w->wndproc(w, &e);
bjarni@6622: 		}
truelight@4337: 
truelight@4337: 		/* Dispatch a MouseWheelEvent for widgets if it is not a viewport */
truelight@4337: 		if (vp == NULL) DispatchMouseWheelEvent(w, GetWidgetFromPos(w, x - w->left, y - w->top), mousewheel);
truelight@4337: 	}
truelight@4337: 
truelight@4337: 	if (vp != NULL) {
bjarni@6615: 		if (scrollwheel_scrolling) click = 2; // we are using the scrollwheel in a viewport, so we emulate right mouse button
truelight@4337: 		switch (click) {
truelight@4337: 			case 1:
Darkvater@5568: 				DEBUG(misc, 2, "Cursor: 0x%X (%d)", _cursor.sprite, _cursor.sprite);
truelight@4337: 				if (_thd.place_mode != 0 &&
belugas@6928: 						/* query button and place sign button work in pause mode */
truelight@4337: 						_cursor.sprite != SPR_CURSOR_QUERY &&
truelight@4337: 						_cursor.sprite != SPR_CURSOR_SIGN &&
truelight@6557: 						_pause_game != 0 &&
truelight@4337: 						!_cheats.build_in_pause.value) {
truelight@4337: 					return;
truelight@4337: 				}
truelight@4337: 
truelight@4337: 				if (_thd.place_mode == 0) {
truelight@4337: 					HandleViewportClicked(vp, x, y);
truelight@4337: 				} else {
truelight@4337: 					PlaceObject();
truelight@4337: 				}
truelight@4337: 				break;
truelight@4337: 
truelight@4337: 			case 2:
truelight@4337: 				if (!(w->flags4 & WF_DISABLE_VP_SCROLL)) {
truelight@4337: 					_scrolling_viewport = true;
truelight@4337: 					_cursor.fix_at = true;
truelight@4337: 				}
truelight@4337: 				break;
truelight@0: 		}
truelight@0: 	} else {
tron@2631: 		switch (click) {
tron@2631: 			case 1: DispatchLeftClickEvent(w, x - w->left, y - w->top);  break;
bjarni@6616: 			default:
bjarni@6616: 				if (!scrollwheel_scrolling || w == NULL || w->window_class != WC_SMALLMAP) break;
bjarni@6616: 				/* We try to use the scrollwheel to scroll since we didn't touch any of the buttons.
bjarni@6616: 				* Simulate a right button click so we can get started. */
bjarni@6616: 				/* fallthough */
tron@2631: 			case 2: DispatchRightClickEvent(w, x - w->left, y - w->top); break;
tron@2631: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@6573: void HandleMouseEvents()
pasky@1570: {
pasky@1570: 	int click;
pasky@1570: 	int mousewheel;
pasky@1570: 
truelight@4300: 	/*
truelight@4300: 	 * During the generation of the world, there might be
truelight@4300: 	 * another thread that is currently building for example
truelight@4300: 	 * a road. To not interfere with those tasks, we should
truelight@4300: 	 * NOT change the _current_player here.
truelight@4300: 	 *
truelight@4300: 	 * This is not necessary either, as the only events that
truelight@4300: 	 * can be handled are the 'close application' events
truelight@4300: 	 */
truelight@4300: 	if (!IsGeneratingWorld()) _current_player = _local_player;
pasky@1570: 
belugas@6928: 	/* Mouse event? */
pasky@1570: 	click = 0;
pasky@1570: 	if (_left_button_down && !_left_button_clicked) {
pasky@1570: 		_left_button_clicked = true;
pasky@1570: 		click = 1;
Darkvater@5090: 		_input_events_this_tick++;
pasky@1570: 	} else if (_right_button_clicked) {
pasky@1570: 		_right_button_clicked = false;
pasky@1570: 		click = 2;
Darkvater@5090: 		_input_events_this_tick++;
pasky@1570: 	}
pasky@1570: 
pasky@1570: 	mousewheel = 0;
pasky@1570: 	if (_cursor.wheel) {
pasky@1570: 		mousewheel = _cursor.wheel;
pasky@1570: 		_cursor.wheel = 0;
Darkvater@5090: 		_input_events_this_tick++;
pasky@1570: 	}
pasky@1570: 
pasky@1570: 	MouseLoop(click, mousewheel);
pasky@1570: }
pasky@1570: 
rubidium@6573: void InputLoop()
Darkvater@5090: {
Darkvater@5090: 	HandleMouseEvents();
Darkvater@5090: 	HandleAutoscroll();
Darkvater@5090: }
Darkvater@5090: 
rubidium@6573: void UpdateWindows()
truelight@0: {
Darkvater@5124: 	Window* const *wz;
Darkvater@5089: 	static int we4_timer = 0;
Darkvater@5089: 	int t = we4_timer + 1;
truelight@0: 
tron@2639: 	if (t >= 100) {
Darkvater@5124: 		for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 			CallWindowEventNP(*--wz, WE_4);
truelight@0: 		}
truelight@0: 		t = 0;
truelight@0: 	}
Darkvater@5089: 	we4_timer = t;
truelight@0: 
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		Window *w = *--wz;
truelight@0: 		if (w->flags4 & WF_WHITE_BORDER_MASK) {
truelight@0: 			w->flags4 -= WF_WHITE_BORDER_ONE;
Darkvater@5120: 
Darkvater@5120: 			if (!(w->flags4 & WF_WHITE_BORDER_MASK)) SetWindowDirty(w);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	DrawDirtyBlocks();
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		if ((*wz)->viewport != NULL) UpdateViewportPosition(*wz);
truelight@0: 	}
truelight@543: 	DrawTextMessage();
belugas@6928: 	/* Redraw mouse cursor in case it was hidden */
truelight@0: 	DrawMouseCursor();
truelight@158: }
truelight@0: 
truelight@0: 
Darkvater@2436: int GetMenuItemIndex(const Window *w, int x, int y)
truelight@0: {
truelight@0: 	if ((x -= w->left) >= 0 && x < w->width && (y -= w->top + 1) >= 0) {
truelight@0: 		y /= 10;
truelight@0: 
tron@2639: 		if (y < WP(w, const menu_d).item_count &&
tron@2639: 				!HASBIT(WP(w, const menu_d).disabled_items, y)) {
truelight@0: 			return y;
tron@2639: 		}
truelight@0: 	}
truelight@0: 	return -1;
truelight@0: }
truelight@0: 
tron@2788: void InvalidateWindow(WindowClass cls, WindowNumber number)
truelight@0: {
Darkvater@5137: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == cls && w->window_number == number) SetWindowDirty(w);
truelight@0: 	}
truelight@0: }
truelight@0: 
belugas@4171: void InvalidateWidget(const Window *w, byte widget_index)
truelight@0: {
truelight@0: 	const Widget *wi = &w->widget[widget_index];
Darkvater@1867: 
Darkvater@1867: 	/* Don't redraw the window if the widget is invisible or of no-type */
rubidium@5236: 	if (wi->type == WWT_EMPTY || IsWindowWidgetHidden(w, widget_index)) return;
Darkvater@1867: 
Darkvater@1867: 	SetDirtyBlocks(w->left + wi->left, w->top + wi->top, w->left + wi->right + 1, w->top + wi->bottom + 1);
truelight@0: }
truelight@0: 
tron@2788: void InvalidateWindowWidget(WindowClass cls, WindowNumber number, byte widget_index)
truelight@0: {
Darkvater@5137: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		const Window *w = *wz;
tron@2639: 		if (w->window_class == cls && w->window_number == number) {
truelight@0: 			InvalidateWidget(w, widget_index);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@2788: void InvalidateWindowClasses(WindowClass cls)
truelight@0: {
Darkvater@5137: 	Window* const *wz;
tron@2639: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		if ((*wz)->window_class == cls) SetWindowDirty(*wz);
truelight@0: 	}
truelight@0: }
truelight@0: 
bjarni@4766: void InvalidateThisWindowData(Window *w)
bjarni@4766: {
bjarni@4766: 	CallWindowEventNP(w, WE_INVALIDATE_DATA);
Darkvater@5198: 	SetWindowDirty(w);
bjarni@4766: }
bjarni@4766: 
bjarni@4739: void InvalidateWindowData(WindowClass cls, WindowNumber number)
bjarni@4739: {
Darkvater@5124: 	Window* const *wz;
bjarni@4739: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
bjarni@4766: 		if (w->window_class == cls && w->window_number == number) InvalidateThisWindowData(w);
bjarni@4766: 	}
bjarni@4766: }
bjarni@4766: 
bjarni@4766: void InvalidateWindowClassesData(WindowClass cls)
bjarni@4766: {
Darkvater@5124: 	Window* const *wz;
bjarni@4766: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		if ((*wz)->window_class == cls) InvalidateThisWindowData(*wz);
bjarni@4739: 	}
bjarni@4739: }
truelight@0: 
rubidium@6573: void CallWindowTickEvent()
truelight@0: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5124: 	for (wz = _last_z_window; wz != _z_windows;) {
Darkvater@5124: 		CallWindowEventNP(*--wz, WE_TICK);
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@6573: void DeleteNonVitalWindows()
truelight@0: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5121: restart_search:
Darkvater@5121: 	/* When we find the window to delete, we need to restart the search
Darkvater@5124: 	 * as deleting this window could cascade in deleting (many) others
Darkvater@5124: 	 * anywhere in the z-array */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
truelight@0: 		if (w->window_class != WC_MAIN_WINDOW &&
truelight@0: 				w->window_class != WC_SELECT_GAME &&
truelight@0: 				w->window_class != WC_MAIN_TOOLBAR &&
truelight@0: 				w->window_class != WC_STATUS_BAR &&
truelight@0: 				w->window_class != WC_TOOLBAR_MENU &&
darkvater@682: 				w->window_class != WC_TOOLTIPS &&
darkvater@682: 				(w->flags4 & WF_STICKY) == 0) { // do not delete windows which are 'pinned'
Darkvater@5124: 
truelight@0: 			DeleteWindow(w);
Darkvater@5121: 			goto restart_search;
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
belugas@6939: /** It is possible that a stickied window gets to a position where the
darkvater@763:  * 'close' button is outside the gaming area. You cannot close it then; except
darkvater@763:  * with this function. It closes all windows calling the standard function,
darkvater@763:  * then, does a little hacked loop of closing all stickied windows. Note
darkvater@763:  * that standard windows (status bar, etc.) are not stickied, so these aren't affected */
rubidium@6573: void DeleteAllNonVitalWindows()
darkvater@763: {
Darkvater@5124: 	Window* const *wz;
tron@2639: 
Darkvater@5121: 	/* Delete every window except for stickied ones, then sticky ones as well */
darkvater@763: 	DeleteNonVitalWindows();
Darkvater@5124: 
Darkvater@5121: restart_search:
Darkvater@5121: 	/* When we find the window to delete, we need to restart the search
Darkvater@5124: 	 * as deleting this window could cascade in deleting (many) others
Darkvater@5124: 	 * anywhere in the z-array */
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		if ((*wz)->flags4 & WF_STICKY) {
Darkvater@5124: 			DeleteWindow(*wz);
Darkvater@5121: 			goto restart_search;
tron@4077: 		}
darkvater@763: 	}
darkvater@763: }
darkvater@763: 
belugas@6939: /** Delete all always on-top windows to get an empty screen */
rubidium@6573: void HideVitalWindows()
darkvater@983: {
rubidium@6158: 	DeleteWindowById(WC_TOOLBAR_MENU, 0);
darkvater@983: 	DeleteWindowById(WC_MAIN_TOOLBAR, 0);
darkvater@983: 	DeleteWindowById(WC_STATUS_BAR, 0);
darkvater@983: }
darkvater@983: 
truelight@158: int PositionMainToolbar(Window *w)
darkvater@68: {
Darkvater@5568: 	DEBUG(misc, 5, "Repositioning Main Toolbar...");
darkvater@68: 
tron@4077: 	if (w == NULL || w->window_class != WC_MAIN_TOOLBAR) {
darkvater@68: 		w = FindWindowById(WC_MAIN_TOOLBAR, 0);
tron@4077: 	}
darkvater@68: 
darkvater@68: 	switch (_patches.toolbar_pos) {
Darkvater@5071: 		case 1:  w->left = (_screen.width - w->width) / 2; break;
tron@2026: 		case 2:  w->left = _screen.width - w->width; break;
tron@2026: 		default: w->left = 0;
darkvater@68: 	}
darkvater@68: 	SetDirtyBlocks(0, 0, _screen.width, w->height); // invalidate the whole top part
darkvater@68: 	return w->left;
darkvater@68: }
darkvater@68: 
truelight@0: void RelocateAllWindows(int neww, int newh)
truelight@0: {
Darkvater@5124: 	Window* const *wz;
truelight@0: 
Darkvater@5124: 	FOR_ALL_WINDOWS(wz) {
Darkvater@5124: 		Window *w = *wz;
truelight@0: 		int left, top;
truelight@158: 
truelight@0: 		if (w->window_class == WC_MAIN_WINDOW) {
truelight@0: 			ViewPort *vp = w->viewport;
truelight@0: 			vp->width = w->width = neww;
truelight@0: 			vp->height = w->height = newh;
truelight@0: 			vp->virtual_width = neww << vp->zoom;
truelight@0: 			vp->virtual_height = newh << vp->zoom;
truelight@0: 			continue; // don't modify top,left
darkvater@152: 		}
darkvater@152: 
Darkvater@5126: 		/* XXX - this probably needs something more sane. For example specying
Darkvater@5126: 		 * in a 'backup'-desc that the window should always be centred. */
tron@2989: 		switch (w->window_class) {
tron@2989: 			case WC_MAIN_TOOLBAR:
tron@2989: 				top = w->top;
tron@2989: 				left = PositionMainToolbar(w); // changes toolbar orientation
tron@2989: 				break;
tron@2989: 
tron@2989: 			case WC_SELECT_GAME:
tron@2989: 			case WC_GAME_OPTIONS:
tron@2989: 			case WC_NETWORK_WINDOW:
tron@2989: 				top = (newh - w->height) >> 1;
tron@2989: 				left = (neww - w->width) >> 1;
tron@2989: 				break;
tron@2989: 
tron@2989: 			case WC_NEWS_WINDOW:
tron@2989: 				top = newh - w->height;
tron@2989: 				left = (neww - w->width) >> 1;
tron@2989: 				break;
tron@2989: 
tron@2989: 			case WC_STATUS_BAR:
tron@2989: 				top = newh - w->height;
tron@2989: 				left = (neww - w->width) >> 1;
tron@2989: 				break;
tron@2989: 
tron@2989: 			case WC_SEND_NETWORK_MSG:
tron@2989: 				top = (newh - 26); // 26 = height of status bar + height of chat bar
tron@2989: 				left = (neww - w->width) >> 1;
tron@2989: 				break;
tron@2989: 
Darkvater@5126: 			case WC_CONSOLE:
Darkvater@5143: 				IConsoleResize(w);
Darkvater@5137: 				continue;
Darkvater@5126: 
tron@2989: 			default:
tron@2989: 				left = w->left;
tron@2989: 				if (left + (w->width >> 1) >= neww) left = neww - w->width;
tron@2989: 				top = w->top;
tron@2989: 				if (top + (w->height >> 1) >= newh) top = newh - w->height;
tron@2989: 				break;
truelight@0: 		}
truelight@0: 
tron@2639: 		if (w->viewport != NULL) {
truelight@0: 			w->viewport->left += left - w->left;
truelight@0: 			w->viewport->top += top - w->top;
truelight@0: 		}
truelight@0: 
truelight@0: 		w->left = left;
truelight@0: 		w->top = top;
truelight@0: 	}
truelight@0: }