tron@2186: /* $Id$ */
tron@2186: 
rubidium@9111: /** @file widget.cpp Handling of the default/simple widgets. */
belugas@6432: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
rubidium@8254: #include "core/math_func.hpp"
rubidium@8254: #include "player_func.h"
rubidium@8224: #include "gfx_func.h"
rubidium@8106: #include "window_gui.h"
rubidium@8131: #include "window_func.h"
peter1138@8284: #include "widgets/dropdown_func.h"
rubidium@8131: 
rubidium@8264: #include "table/sprites.h"
rubidium@8264: #include "table/strings.h"
truelight@0: 
peter1138@8411: static const char *UPARROW   = "\xEE\x8A\xA0";
peter1138@8349: static const char *DOWNARROW = "\xEE\x8A\xAA";
peter1138@8349: 
Darkvater@2436: static Point HandleScrollbarHittest(const Scrollbar *sb, int top, int bottom)
truelight@0: {
truelight@0: 	Point pt;
truelight@0: 	int height, count, pos, cap;
truelight@0: 
truelight@0: 	top += 10;
truelight@0: 	bottom -= 9;
truelight@193: 
truelight@0: 	height = (bottom - top);
truelight@0: 
truelight@0: 	pos = sb->pos;
truelight@0: 	count = sb->count;
truelight@0: 	cap = sb->cap;
truelight@0: 
tron@2026: 	if (count != 0) top += height * pos / count;
truelight@193: 
truelight@0: 	if (cap > count) cap = count;
tron@2639: 	if (count != 0) bottom -= (count - pos - cap) * height / count;
truelight@0: 
truelight@0: 	pt.x = top;
truelight@0: 	pt.y = bottom - 1;
truelight@0: 	return pt;
truelight@0: }
truelight@0: 
belugas@6481: /** Special handling for the scrollbar widget type.
truelight@0:  * Handles the special scrolling buttons and other
truelight@0:  * scrolling.
belugas@6481:  * @param w Window on which a scroll was performed.
belugas@6481:  * @param wi Pointer to the scrollbar widget.
belugas@6481:  * @param x The X coordinate of the mouse click.
belugas@6481:  * @param y The Y coordinate of the mouse click. */
truelight@0: void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y)
truelight@0: {
truelight@0: 	int mi, ma, pos;
truelight@0: 	Scrollbar *sb;
truelight@0: 
bjarni@842: 	switch (wi->type) {
rubidium@8729: 		case WWT_SCROLLBAR:
belugas@6432: 			/* vertical scroller */
bjarni@842: 			w->flags4 &= ~WF_HSCROLL;
bjarni@842: 			w->flags4 &= ~WF_SCROLL2;
bjarni@842: 			mi = wi->top;
bjarni@842: 			ma = wi->bottom;
bjarni@842: 			pos = y;
bjarni@842: 			sb = &w->vscroll;
bjarni@842: 			break;
rubidium@8729: 
rubidium@8729: 		case WWT_SCROLL2BAR:
belugas@6432: 			/* 2nd vertical scroller */
bjarni@842: 			w->flags4 &= ~WF_HSCROLL;
bjarni@842: 			w->flags4 |= WF_SCROLL2;
bjarni@842: 			mi = wi->top;
bjarni@842: 			ma = wi->bottom;
bjarni@842: 			pos = y;
bjarni@842: 			sb = &w->vscroll2;
bjarni@842: 			break;
rubidium@8729: 
rubidium@8729: 		case  WWT_HSCROLLBAR:
belugas@6432: 			/* horizontal scroller */
truelight@867: 			w->flags4 &= ~WF_SCROLL2;
bjarni@842: 			w->flags4 |= WF_HSCROLL;
bjarni@842: 			mi = wi->left;
bjarni@842: 			ma = wi->right;
bjarni@842: 			pos = x;
bjarni@842: 			sb = &w->hscroll;
truelight@867: 			break;
rubidium@8729: 
rubidium@8729: 		default: NOT_REACHED();
truelight@0: 	}
rubidium@8969: 	if (pos <= mi + 9) {
belugas@6432: 		/* Pressing the upper button? */
tron@2597: 		w->flags4 |= WF_SCROLL_UP;
tron@2597: 		if (_scroller_click_timeout == 0) {
tron@2597: 			_scroller_click_timeout = 6;
tron@2597: 			if (sb->pos != 0) sb->pos--;
truelight@0: 		}
tron@2597: 		_left_button_clicked = false;
rubidium@8729: 	} else if (pos >= ma - 10) {
belugas@6432: 		/* Pressing the lower button? */
tron@2597: 		w->flags4 |= WF_SCROLL_DOWN;
truelight@193: 
tron@2597: 		if (_scroller_click_timeout == 0) {
tron@2597: 			_scroller_click_timeout = 6;
tron@2597: 			if ((byte)(sb->pos + sb->cap) < sb->count)
tron@2597: 				sb->pos++;
truelight@0: 		}
tron@2597: 		_left_button_clicked = false;
truelight@0: 	} else {
truelight@0: 		Point pt = HandleScrollbarHittest(sb, mi, ma);
truelight@0: 
truelight@0: 		if (pos < pt.x) {
truelight@0: 			sb->pos = max(sb->pos - sb->cap, 0);
truelight@0: 		} else if (pos > pt.y) {
truelight@0: 			sb->pos = min(
truelight@193: 				sb->pos + sb->cap,
truelight@0: 				max(sb->count - sb->cap, 0)
truelight@0: 			);
truelight@0: 		} else {
truelight@0: 			_scrollbar_start_pos = pt.x - mi - 9;
truelight@0: 			_scrollbar_size = ma - mi - 23;
truelight@0: 			w->flags4 |= WF_SCROLL_MIDDLE;
truelight@0: 			_scrolling_scrollbar = true;
truelight@0: 			_cursorpos_drag_start = _cursor.pos;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
rubidium@9116: 	w->SetDirty();
truelight@0: }
truelight@0: 
Darkvater@2021: /** Returns the index for the widget located at the given position
Darkvater@2021:  * relative to the window. It includes all widget-corner pixels as well.
Darkvater@2021:  * @param *w Window to look inside
belugas@6481:  * @param  x The Window client X coordinate
belugas@6481:  * @param  y The Window client y coordinate
Darkvater@2021:  * @return A widget index, or -1 if no widget was found.
truelight@0:  */
Darkvater@2436: int GetWidgetFromPos(const Window *w, int x, int y)
truelight@0: {
rubidium@5236: 	uint index;
rubidium@5236: 	int found_index = -1;
truelight@0: 
belugas@6432: 	/* Go through the widgets and check if we find the widget that the coordinate is
belugas@6432: 	 * inside. */
rubidium@5236: 	for (index = 0; index < w->widget_count; index++) {
rubidium@5236: 		const Widget *wi = &w->widget[index];
tron@2639: 		if (wi->type == WWT_EMPTY || wi->type == WWT_FRAME) continue;
truelight@0: 
Darkvater@2021: 		if (x >= wi->left && x <= wi->right && y >= wi->top &&  y <= wi->bottom &&
rubidium@7997: 				!w->IsWidgetHidden(index)) {
tron@2639: 			found_index = index;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	return found_index;
truelight@0: }
truelight@0: 
truelight@0: 
tron@4437: void DrawFrameRect(int left, int top, int right, int bottom, int ctab, FrameFlags flags)
tron@4437: {
tron@4444: 	uint dark         = _colour_gradient[ctab][3];
tron@4444: 	uint medium_dark  = _colour_gradient[ctab][5];
tron@4444: 	uint medium_light = _colour_gradient[ctab][6];
tron@4444: 	uint light        = _colour_gradient[ctab][7];
tron@4437: 
tron@4438: 	if (flags & FR_TRANSPARENT) {
peter1138@5668: 		GfxFillRect(left, top, right, bottom, PALETTE_TO_TRANSPARENT | (1 << USE_COLORTABLE));
tron@4437: 	} else {
tron@4437: 		uint interior;
tron@4437: 
tron@4437: 		if (flags & FR_LOWERED) {
tron@4437: 			GfxFillRect(left,     top,     left,  bottom,     dark);
tron@4437: 			GfxFillRect(left + 1, top,     right, top,        dark);
tron@4437: 			GfxFillRect(right,    top + 1, right, bottom - 1, light);
tron@4437: 			GfxFillRect(left + 1, bottom,  right, bottom,     light);
tron@4437: 			interior = (flags & FR_DARKENED ? medium_dark : medium_light);
tron@4437: 		} else {
tron@4437: 			GfxFillRect(left,     top,    left,      bottom - 1, light);
tron@4437: 			GfxFillRect(left + 1, top,    right - 1, top,        light);
tron@4437: 			GfxFillRect(right,    top,    right,     bottom - 1, dark);
tron@4437: 			GfxFillRect(left,     bottom, right,     bottom,     dark);
tron@4437: 			interior = medium_dark;
tron@4437: 		}
tron@4437: 		if (!(flags & FR_BORDERONLY)) {
tron@4437: 			GfxFillRect(left + 1, top + 1, right - 1, bottom - 1, interior);
tron@4437: 		}
tron@4437: 	}
tron@4437: }
tron@4437: 
tron@4437: 
rubidium@8857: /**
rubidium@8857:  * Paint all widgets of a window.
rubidium@8857:  * @param w Window
rubidium@8857:  */
Darkvater@2436: void DrawWindowWidgets(const Window *w)
truelight@0: {
tron@2548: 	const DrawPixelInfo* dpi = _cur_dpi;
truelight@193: 
smatz@7962: 	for (uint i = 0; i < w->widget_count; i++) {
rubidium@5236: 		const Widget *wi = &w->widget[i];
rubidium@7997: 		bool clicked = w->IsWidgetLowered(i);
smatz@7962: 		Rect r;
Darkvater@1657: 
smatz@7962: 		if (dpi->left > (r.right = wi->right) ||
smatz@7962: 				dpi->left + dpi->width <= (r.left = wi->left) ||
smatz@7962: 				dpi->top > (r.bottom = wi->bottom) ||
smatz@7962: 				dpi->top + dpi->height <= (r.top = wi->top) ||
rubidium@7997: 				w->IsWidgetHidden(i)) {
tron@2639: 			continue;
tron@2639: 		}
truelight@0: 
Darkvater@1657: 		switch (wi->type & WWT_MASK) {
Darkvater@4938: 		case WWT_IMGBTN:
Darkvater@4938: 		case WWT_IMGBTN_2: {
smatz@7962: 			SpriteID img = wi->data;
Darkvater@4938: 			assert(img != 0);
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
truelight@0: 
Darkvater@4938: 			/* show different image when clicked for WWT_IMGBTN_2 */
Darkvater@4938: 			if ((wi->type & WWT_MASK) == WWT_IMGBTN_2 && clicked) img++;
peter1138@5668: 			DrawSprite(img, PAL_NONE, r.left + 1 + clicked, r.top + 1 + clicked);
peter1138@8320: 			break;
Darkvater@4938: 		}
Darkvater@1657: 
rubidium@8729: 		case WWT_PANEL:
Darkvater@4938: 			assert(wi->data == 0);
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
peter1138@8320: 			break;
truelight@0: 
rubidium@8737: 		case WWT_EDITBOX:
rubidium@8737: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_LOWERED | FR_DARKENED);
rubidium@8737: 			break;
rubidium@8737: 
Darkvater@4939: 		case WWT_TEXTBTN:
rubidium@8729: 		case WWT_TEXTBTN_2:
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
rubidium@8729: 			/* FALL THROUGH */
truelight@0: 
belugas@4345: 		case WWT_LABEL: {
Darkvater@4547: 			StringID str = wi->data;
truelight@0: 
Darkvater@4939: 			if ((wi->type & WWT_MASK) == WWT_TEXTBTN_2 && clicked) str++;
truelight@193: 
belugas@7824: 			DrawStringCentered(((r.left + r.right + 1) >> 1) + clicked, ((r.top + r.bottom + 1) >> 1) - 5 + clicked, str, TC_FROMSTRING);
peter1138@8320: 			break;
truelight@0: 		}
truelight@0: 
belugas@6278: 		case WWT_TEXT: {
smatz@7962: 			const StringID str = wi->data;
belugas@6278: 
belugas@6278: 			if (str != STR_NULL) DrawStringTruncated(r.left, r.top, str, wi->color, r.right - r.left);
belugas@6278: 			break;
belugas@6278: 		}
belugas@6278: 
Darkvater@4939: 		case WWT_INSET: {
smatz@7962: 			const StringID str = wi->data;
hackykid@1938: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_LOWERED | FR_DARKENED);
truelight@0: 
belugas@7824: 			if (str != STR_NULL) DrawStringTruncated(r.left + 2, r.top + 1, str, TC_FROMSTRING, r.right - r.left - 10);
peter1138@8320: 			break;
truelight@0: 		}
truelight@0: 
truelight@0: 		case WWT_MATRIX: {
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
truelight@193: 
rubidium@8729: 			int c = GB(wi->data, 0, 8);
rubidium@8729: 			int amt1 = (wi->right - wi->left + 1) / c;
truelight@0: 
rubidium@8729: 			int d = GB(wi->data, 8, 8);
rubidium@8729: 			int amt2 = (wi->bottom - wi->top + 1) / d;
truelight@0: 
rubidium@8729: 			int color = _colour_gradient[wi->color & 0xF][6];
truelight@193: 
rubidium@8729: 			int x = r.left;
rubidium@8729: 			for (int ctr = c; ctr > 1; ctr--) {
truelight@0: 				x += amt1;
tron@2639: 				GfxFillRect(x, r.top + 1, x, r.bottom - 1, color);
truelight@0: 			}
truelight@0: 
truelight@0: 			x = r.top;
rubidium@8729: 			for (int ctr = d; ctr > 1; ctr--) {
truelight@0: 				x += amt2;
tron@2639: 				GfxFillRect(r.left + 1, x, r.right - 1, x, color);
truelight@0: 			}
truelight@0: 
smatz@7962: 			color = _colour_gradient[wi->color & 0xF][4];
truelight@0: 
tron@2639: 			x = r.left - 1;
rubidium@8729: 			for (int ctr = c; ctr > 1; ctr--) {
truelight@0: 				x += amt1;
tron@2639: 				GfxFillRect(x, r.top + 1, x, r.bottom - 1, color);
truelight@0: 			}
truelight@0: 
tron@2639: 			x = r.top - 1;
rubidium@8729: 			for (int ctr = d; ctr > 1; ctr--) {
truelight@0: 				x += amt2;
smatz@7962: 				GfxFillRect(r.left + 1, x, r.right - 1, x, color);
truelight@0: 			}
truelight@0: 
peter1138@8320: 			break;
truelight@0: 		}
truelight@0: 
belugas@6432: 		/* vertical scrollbar */
truelight@0: 		case WWT_SCROLLBAR: {
smatz@7962: 			assert(wi->data == 0);
rubidium@8729: 			assert(r.right - r.left == 11); // To ensure the same sizes are used everywhere!
darkvater@893: 
belugas@6432: 			/* draw up/down buttons */
Darkvater@4940: 			clicked = ((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_UP);
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.top + 9, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
belugas@7824: 			DoDrawString(UPARROW, r.left + 2 + clicked, r.top + clicked, TC_BLACK);
truelight@0: 
Darkvater@4940: 			clicked = (((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_DOWN));
rubidium@5587: 			DrawFrameRect(r.left, r.bottom - 9, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
belugas@7824: 			DoDrawString(DOWNARROW, r.left + 2 + clicked, r.bottom - 9 + clicked, TC_BLACK);
truelight@0: 
rubidium@8729: 			int c1 = _colour_gradient[wi->color & 0xF][3];
rubidium@8729: 			int c2 = _colour_gradient[wi->color & 0xF][7];
truelight@0: 
belugas@6432: 			/* draw "shaded" background */
smatz@7962: 			GfxFillRect(r.left, r.top + 10, r.right, r.bottom - 10, c2);
smatz@7962: 			GfxFillRect(r.left, r.top + 10, r.right, r.bottom - 10, c1 | (1 << PALETTE_MODIFIER_GREYOUT));
truelight@0: 
belugas@6432: 			/* draw shaded lines */
smatz@7962: 			GfxFillRect(r.left + 2, r.top + 10, r.left + 2, r.bottom - 10, c1);
smatz@7962: 			GfxFillRect(r.left + 3, r.top + 10, r.left + 3, r.bottom - 10, c2);
smatz@7962: 			GfxFillRect(r.left + 7, r.top + 10, r.left + 7, r.bottom - 10, c1);
smatz@7962: 			GfxFillRect(r.left + 8, r.top + 10, r.left + 8, r.bottom - 10, c2);
truelight@193: 
rubidium@8729: 			Point pt = HandleScrollbarHittest(&w->vscroll, r.top, r.bottom);
rubidium@5587: 			DrawFrameRect(r.left, pt.x, r.right, pt.y, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_MIDDLE ? FR_LOWERED : FR_NONE);
bjarni@842: 			break;
bjarni@842: 		}
rubidium@8729: 
bjarni@842: 		case WWT_SCROLL2BAR: {
smatz@7962: 			assert(wi->data == 0);
rubidium@8729: 			assert(r.right - r.left == 11); // To ensure the same sizes are used everywhere!
darkvater@893: 
belugas@6432: 			/* draw up/down buttons */
Darkvater@4940: 			clicked = ((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_UP | WF_SCROLL2));
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.top + 9, wi->color,  (clicked) ? FR_LOWERED : FR_NONE);
belugas@7824: 			DoDrawString(UPARROW, r.left + 2 + clicked, r.top + clicked, TC_BLACK);
bjarni@842: 
Darkvater@4940: 			clicked = ((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_DOWN | WF_SCROLL2));
rubidium@5587: 			DrawFrameRect(r.left, r.bottom - 9, r.right, r.bottom, wi->color,  (clicked) ? FR_LOWERED : FR_NONE);
belugas@7824: 			DoDrawString(DOWNARROW, r.left + 2 + clicked, r.bottom - 9 + clicked, TC_BLACK);
bjarni@842: 
rubidium@8729: 			int c1 = _colour_gradient[wi->color & 0xF][3];
rubidium@8729: 			int c2 = _colour_gradient[wi->color & 0xF][7];
bjarni@842: 
belugas@6432: 			/* draw "shaded" background */
smatz@7962: 			GfxFillRect(r.left, r.top + 10, r.right, r.bottom - 10, c2);
smatz@7962: 			GfxFillRect(r.left, r.top + 10, r.right, r.bottom - 10, c1 | (1 << PALETTE_MODIFIER_GREYOUT));
bjarni@842: 
belugas@6432: 			/* draw shaded lines */
smatz@7962: 			GfxFillRect(r.left + 2, r.top + 10, r.left + 2, r.bottom - 10, c1);
smatz@7962: 			GfxFillRect(r.left + 3, r.top + 10, r.left + 3, r.bottom - 10, c2);
smatz@7962: 			GfxFillRect(r.left + 7, r.top + 10, r.left + 7, r.bottom - 10, c1);
smatz@7962: 			GfxFillRect(r.left + 8, r.top + 10, r.left + 8, r.bottom - 10, c2);
bjarni@842: 
rubidium@8729: 			Point pt = HandleScrollbarHittest(&w->vscroll2, r.top, r.bottom);
rubidium@5587: 			DrawFrameRect(r.left, pt.x, r.right, pt.y, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_MIDDLE | WF_SCROLL2) ? FR_LOWERED : FR_NONE);
truelight@0: 			break;
truelight@0: 		}
truelight@0: 
belugas@6432: 		/* horizontal scrollbar */
truelight@0: 		case WWT_HSCROLLBAR: {
smatz@7962: 			assert(wi->data == 0);
rubidium@8729: 			assert(r.bottom - r.top == 11); // To ensure the same sizes are used everywhere!
darkvater@893: 
Darkvater@4940: 			clicked = ((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL)) == (WF_SCROLL_UP | WF_HSCROLL));
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.left + 9, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
peter1138@5668: 			DrawSprite(SPR_ARROW_LEFT, PAL_NONE, r.left + 1 + clicked, r.top + 1 + clicked);
truelight@0: 
Darkvater@4940: 			clicked = ((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL)) == (WF_SCROLL_DOWN | WF_HSCROLL));
smatz@7962: 			DrawFrameRect(r.right - 9, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
peter1138@5668: 			DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, r.right - 8 + clicked, r.top + 1 + clicked);
truelight@0: 
rubidium@8729: 			int c1 = _colour_gradient[wi->color & 0xF][3];
rubidium@8729: 			int c2 = _colour_gradient[wi->color & 0xF][7];
truelight@0: 
belugas@6432: 			/* draw "shaded" background */
smatz@7962: 			GfxFillRect(r.left + 10, r.top, r.right - 10, r.bottom, c2);
smatz@7962: 			GfxFillRect(r.left + 10, r.top, r.right - 10, r.bottom, c1 | (1 << PALETTE_MODIFIER_GREYOUT));
truelight@0: 
belugas@6432: 			/* draw shaded lines */
smatz@7962: 			GfxFillRect(r.left + 10, r.top + 2, r.right - 10, r.top + 2, c1);
smatz@7962: 			GfxFillRect(r.left + 10, r.top + 3, r.right - 10, r.top + 3, c2);
smatz@7962: 			GfxFillRect(r.left + 10, r.top + 7, r.right - 10, r.top + 7, c1);
smatz@7962: 			GfxFillRect(r.left + 10, r.top + 8, r.right - 10, r.top + 8, c2);
truelight@0: 
belugas@6432: 			/* draw actual scrollbar */
rubidium@8729: 			Point pt = HandleScrollbarHittest(&w->hscroll, r.left, r.right);
rubidium@5587: 			DrawFrameRect(pt.x, r.top, pt.y, r.bottom, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL)) == (WF_SCROLL_MIDDLE | WF_HSCROLL) ? FR_LOWERED : FR_NONE);
truelight@0: 
truelight@0: 			break;
truelight@0: 		}
truelight@0: 
truelight@0: 		case WWT_FRAME: {
smatz@7962: 			const StringID str = wi->data;
darkvater@860: 			int x2 = r.left; // by default the left side is the left side of the widget
truelight@0: 
smatz@7962: 			if (str != STR_NULL) x2 = DrawString(r.left + 6, r.top, str, TC_FROMSTRING);
truelight@0: 
rubidium@8729: 			int c1 = _colour_gradient[wi->color][3];
rubidium@8729: 			int c2 = _colour_gradient[wi->color][7];
truelight@0: 
smatz@7962: 			/* Line from upper left corner to start of text */
smatz@7962: 			GfxFillRect(r.left, r.top + 4, r.left + 4, r.top + 4, c1);
smatz@7962: 			GfxFillRect(r.left + 1, r.top + 5, r.left + 4, r.top + 5, c2);
truelight@0: 
belugas@6432: 			/* Line from end of text to upper right corner */
smatz@7962: 			GfxFillRect(x2, r.top + 4, r.right - 1, r.top + 4, c1);
smatz@7962: 			GfxFillRect(x2, r.top + 5, r.right - 2, r.top + 5, c2);
truelight@0: 
belugas@6432: 			/* Line from upper left corner to bottom left corner */
smatz@7962: 			GfxFillRect(r.left, r.top + 5, r.left, r.bottom - 1, c1);
smatz@7962: 			GfxFillRect(r.left + 1, r.top + 6, r.left + 1, r.bottom - 2, c2);
truelight@0: 
belugas@6432: 			/*Line from upper right corner to bottom right corner */
smatz@7962: 			GfxFillRect(r.right - 1, r.top + 5, r.right - 1, r.bottom - 2, c1);
smatz@7962: 			GfxFillRect(r.right, r.top + 4, r.right, r.bottom - 1, c2);
truelight@0: 
smatz@7962: 			GfxFillRect(r.left + 1, r.bottom - 1, r.right - 1, r.bottom - 1, c1);
truelight@0: 			GfxFillRect(r.left, r.bottom, r.right, r.bottom, c2);
truelight@0: 
peter1138@8320: 			break;
truelight@0: 		}
truelight@0: 
rubidium@8729: 		case WWT_STICKYBOX:
smatz@7962: 			assert(wi->data == 0);
rubidium@8729: 			assert(r.right - r.left == 11); // To ensure the same sizes are used everywhere!
peter1138@2703: 
peter1138@2703: 			clicked = !!(w->flags4 & WF_STICKY);
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
peter1138@5668: 			DrawSprite((clicked) ? SPR_PIN_UP : SPR_PIN_DOWN, PAL_NONE, r.left + 2 + clicked, r.top + 3 + clicked);
darkvater@682: 			break;
truelight@867: 
rubidium@8729: 		case WWT_RESIZEBOX:
smatz@7962: 			assert(wi->data == 0);
rubidium@8729: 			assert(r.right - r.left == 11); // To ensure the same sizes are used everywhere!
tron@915: 
Darkvater@1657: 			clicked = !!(w->flags4 & WF_SIZING);
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : FR_NONE);
peter1138@5668: 			DrawSprite(SPR_WINDOW_RESIZE, PAL_NONE, r.left + 3 + clicked, r.top + 3 + clicked);
truelight@867: 			break;
truelight@867: 
peter1138@2757: 		case WWT_CLOSEBOX: {
smatz@7962: 			const StringID str = wi->data;
smatz@7962: 
smatz@7962: 			assert(str == STR_00C5 || str == STR_00C6); // black or silver cross
rubidium@8729: 			assert(r.right - r.left == 10); // To ensure the same sizes are used everywhere
peter1138@2757: 
rubidium@5587: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_NONE);
smatz@7962: 			DrawString(r.left + 2, r.top + 2, str, TC_FROMSTRING);
peter1138@2757: 			break;
peter1138@2757: 		}
peter1138@2757: 
rubidium@8729: 		case WWT_CAPTION:
rubidium@8729: 			assert(r.bottom - r.top == 13); // To ensure the same sizes are used everywhere!
hackykid@1938: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_BORDERONLY);
smatz@7962: 			DrawFrameRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, wi->color, (w->caption_color == 0xFF) ? FR_LOWERED | FR_DARKENED : FR_LOWERED | FR_DARKENED | FR_BORDERONLY);
truelight@193: 
truelight@0: 			if (w->caption_color != 0xFF) {
smatz@7962: 				GfxFillRect(r.left + 2, r.top + 2, r.right - 2, r.bottom - 2, _colour_gradient[_player_colors[w->caption_color]][4]);
truelight@0: 			}
truelight@0: 
smatz@7962: 			DrawStringCenteredTruncated(r.left + 2, r.right - 2, r.top + 2, wi->data, 0x84);
peter1138@8320: 			break;
peter1138@8335: 
peter1138@8335: 		case WWT_DROPDOWN: {
peter1138@8335: 			assert(r.bottom - r.top == 11); // ensure consistent size
peter1138@8335: 
peter1138@8335: 			StringID str = wi->data;
peter1138@8335: 			DrawFrameRect(r.left, r.top, r.right - 12, r.bottom, wi->color, FR_NONE);
peter1138@8335: 			DrawFrameRect(r.right - 11, r.top, r.right, r.bottom, wi->color, clicked ? FR_LOWERED : FR_NONE);
peter1138@8335: 			DrawString(r.right - (clicked ? 8 : 9), r.top + (clicked ? 2 : 1), STR_0225, TC_BLACK);
peter1138@8335: 			if (str != STR_NULL) DrawStringTruncated(r.left + 2, r.top + 1, str, TC_BLACK, r.right - r.left - 12);
peter1138@8335: 			break;
peter1138@8335: 		}
peter1138@8335: 
peter1138@8335: 		case WWT_DROPDOWNIN: {
peter1138@8335: 			assert(r.bottom - r.top == 11); // ensure consistent size
peter1138@8335: 
peter1138@8335: 			StringID str = wi->data;
peter1138@8335: 			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_LOWERED | FR_DARKENED);
peter1138@8335: 			DrawFrameRect(r.right - 11, r.top + 1, r.right - 1, r.bottom - 1, wi->color, clicked ? FR_LOWERED : FR_NONE);
peter1138@8335: 			DrawString(r.right - (clicked ? 8 : 9), r.top + (clicked ? 2 : 1), STR_0225, TC_BLACK);
peter1138@8335: 			if (str != STR_NULL) DrawStringTruncated(r.left + 2, r.top + 2, str, TC_BLACK, r.right - r.left - 12);
peter1138@8335: 			break;
peter1138@8335: 		}
truelight@0: 		}
peter1138@8320: 
peter1138@8320: 		if (w->IsWidgetDisabled(i)) {
peter1138@8320: 			GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, _colour_gradient[wi->color & 0xF][2] | (1 << PALETTE_MODIFIER_GREYOUT));
peter1138@8320: 		}
rubidium@5236: 	}
truelight@193: 
truelight@0: 
truelight@0: 	if (w->flags4 & WF_WHITE_BORDER_MASK) {
smatz@7962: 		DrawFrameRect(0, 0, w->width - 1, w->height - 1, 0xF, FR_BORDERONLY);
truelight@0: 	}
truelight@0: 
truelight@0: }
darkvater@164: 
bjarni@5824: static void ResizeWidgets(Window *w, byte a, byte b)
bjarni@5824: {
bjarni@5824: 	int16 offset = w->widget[a].left;
bjarni@5824: 	int16 length = w->widget[b].right - offset;
bjarni@5824: 
rubidium@8729: 	w->widget[a].right = (length / 2) + offset;
bjarni@5824: 
bjarni@5822: 	w->widget[b].left  = w->widget[a].right + 1;
bjarni@5822: }
bjarni@5822: 
bjarni@5824: static void ResizeWidgets(Window *w, byte a, byte b, byte c)
bjarni@5822: {
bjarni@5824: 	int16 offset = w->widget[a].left;
bjarni@5824: 	int16 length = w->widget[c].right - offset;
bjarni@5822: 
bjarni@5824: 	w->widget[a].right = length / 3;
bjarni@5822: 	w->widget[b].right = w->widget[a].right * 2;
bjarni@5822: 
bjarni@5824: 	w->widget[a].right += offset;
bjarni@5824: 	w->widget[b].right += offset;
bjarni@5824: 
bjarni@5822: 	/* Now the right side of the buttons are set. We will now set the left sides next to them */
bjarni@5822: 	w->widget[b].left  = w->widget[a].right + 1;
bjarni@5822: 	w->widget[c].left  = w->widget[b].right + 1;
bjarni@5822: }
bjarni@5822: 
bjarni@5824: /** Evenly distribute some widgets when resizing horizontally (often a button row)
bjarni@5824:  *  When only two arguments are given, the widgets are presumed to be on a line and only the ends are given
belugas@6481:  * @param w Window to modify
bjarni@5824:  * @param left The leftmost widget to resize
bjarni@5824:  * @param right The rightmost widget to resize. Since right side of it is used, remember to set it to RESIZE_RIGHT
bjarni@5824:  */
bjarni@5822: void ResizeButtons(Window *w, byte left, byte right)
bjarni@5822: {
bjarni@5824: 	int16 num_widgets = right - left + 1;
bjarni@5824: 
bjarni@5824: 	if (num_widgets < 2) NOT_REACHED();
bjarni@5824: 
bjarni@5824: 	switch (num_widgets) {
bjarni@5824: 		case 2: ResizeWidgets(w, left, right); break;
bjarni@5824: 		case 3: ResizeWidgets(w, left, left + 1, right); break;
bjarni@5824: 		default: {
bjarni@5824: 			/* Looks like we got more than 3 widgets to resize
bjarni@5824: 			 * Now we will find the middle of the space desinated for the widgets
bjarni@5824: 			 * and place half of the widgets on each side of it and call recursively.
bjarni@5824: 			 * Eventually we will get down to blocks of 2-3 widgets and we got code to handle those cases */
bjarni@5824: 			int16 offset = w->widget[left].left;
bjarni@5824: 			int16 length = w->widget[right].right - offset;
bjarni@5824: 			byte widget = ((num_widgets - 1)/ 2) + left; // rightmost widget of the left side
bjarni@5824: 
bjarni@5824: 			/* Now we need to find the middle of the widgets.
bjarni@5824: 			 * It will not always be the middle because if we got an uneven number of widgets,
bjarni@5824: 			 *   we will need it to be 2/5, 3/7 and so on
bjarni@5824: 			 * To get this, we multiply with num_widgets/num_widgets. Since we calculate in int, we will get:
bjarni@5824: 			 *
bjarni@5824: 			 *    num_widgets/2 (rounding down)
bjarni@5824: 			 *   ---------------
bjarni@5824: 			 *     num_widgets
bjarni@5824: 			 *
bjarni@5824: 			 * as multiplier to length. We just multiply before divide to that we stay in the int area though */
bjarni@5824: 			int16 middle = ((length * num_widgets) / (2 * num_widgets)) + offset;
bjarni@5824: 
bjarni@5824: 			/* Set left and right on the widgets, that's next to our "middle" */
bjarni@5824: 			w->widget[widget].right = middle;
bjarni@5824: 			w->widget[widget + 1].left = w->widget[widget].right + 1;
bjarni@5824: 			/* Now resize the left and right of the middle */
bjarni@5824: 			ResizeButtons(w, left, widget);
bjarni@5824: 			ResizeButtons(w, widget + 1, right);
bjarni@5824: 		}
bjarni@5822: 	}
bjarni@5822: }
peter1138@8349: 
rubidium@8857: /** Resize a widget and shuffle other widgets around to fit. */
peter1138@8418: void ResizeWindowForWidget(Window *w, int widget, int delta_x, int delta_y)
peter1138@8418: {
peter1138@8418: 	int right  = w->widget[widget].right;
peter1138@8418: 	int bottom = w->widget[widget].bottom;
peter1138@8418: 
peter1138@8418: 	for (uint i = 0; i < w->widget_count; i++) {
peter1138@8418: 		if (w->widget[i].left >= right) w->widget[i].left += delta_x;
peter1138@8418: 		if (w->widget[i].right >= right) w->widget[i].right += delta_x;
peter1138@8418: 		if (w->widget[i].top >= bottom) w->widget[i].top += delta_y;
peter1138@8418: 		if (w->widget[i].bottom >= bottom) w->widget[i].bottom += delta_y;
peter1138@8418: 	}
peter1138@8418: 
peter1138@8418: 	w->width  += delta_x;
peter1138@8418: 	w->height += delta_y;
peter1138@8418: 	w->resize.width  += delta_x;
peter1138@8418: 	w->resize.height += delta_y;
peter1138@8418: }
peter1138@8418: 
peter1138@8349: /** Draw a sort button's up or down arrow symbol.
peter1138@8349:  * @param w Window of widget
peter1138@8349:  * @param widget Sort button widget
peter1138@8349:  * @param state State of sort button
peter1138@8349:  */
peter1138@8349: void DrawSortButtonState(const Window *w, int widget, SortButtonState state)
peter1138@8349: {
peter1138@8349: 	if (state == SBS_OFF) return;
peter1138@8349: 
peter1138@8349: 	int offset = w->IsWidgetLowered(widget) ? 1 : 0;
peter1138@8349: 	DoDrawString(state == SBS_DOWN ? DOWNARROW : UPARROW, w->widget[widget].right - 11 + offset, w->widget[widget].top + 1 + offset, TC_BLACK);
peter1138@8349: }