1

/* $Id$ */

     2

     3

/** @file subsidy_gui.cpp GUI for subsidies. */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "station_base.h"

     8

#include "industry.h"

     9

#include "town.h"

    10

#include "economy_func.h"

    11

#include "variables.h"

    12

#include "cargotype.h"

    13

#include "window_gui.h"

    14

#include "strings_func.h"

    15

#include "date_func.h"

    16

#include "viewport_func.h"

    17

#include "gfx_func.h"

    18

#include "gui.h"

    19

    20

#include "table/strings.h"

    21

    22

struct SubsidyListWindow : Window {

    23

	SubsidyListWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)

    24

	{

    25

		this->FindWindowPlacementAndResize(desc);

    26

	}

    27

    28

	virtual void OnClick(Point pt, int widget)

    29

	{

    30

		if (widget != 3) return;

    31

    32

		int y = pt.y - 25;

    33

    34

		if (y < 0) return;

    35

    36

		uint num = 0;

    37

		for (const Subsidy *s = _subsidies; s != endof(_subsidies); s++) {

    38

			if (s->cargo_type != CT_INVALID && s->age < 12) {

    39

				y -= 10;

    40

				if (y < 0) {

    41

					this->HandleClick(s);

    42

					return;

    43

				}

    44

				num++;

    45

			}

    46

		}

    47

    48

		if (num == 0) {

    49

			y -= 10; // "None"

    50

			if (y < 0) return;

    51

		}

    52

    53

		y -= 11; // "Services already subsidised:"

    54

		if (y < 0) return;

    55

    56

		for (const Subsidy *s = _subsidies; s != endof(_subsidies); s++) {

    57

			if (s->cargo_type != CT_INVALID && s->age >= 12) {

    58

				y -= 10;

    59

				if (y < 0) {

    60

					this->HandleClick(s);

    61

					return;

    62

				}

    63

			}

    64

		}

    65

	}

    66

    67

	void HandleClick(const Subsidy *s)

    68

	{

    69

		TownEffect te = GetCargo(s->cargo_type)->town_effect;

    70

		TileIndex xy;

    71

    72

		/* determine from coordinate for subsidy and try to scroll to it */

    73

		uint offs = s->from;

    74

		if (s->age >= 12) {

    75

			xy = GetStation(offs)->xy;

    76

		} else if (te == TE_PASSENGERS || te == TE_MAIL) {

    77

			xy = GetTown(offs)->xy;

    78

		} else {

    79

			xy = GetIndustry(offs)->xy;

    80

		}

    81

    82

		if (_ctrl_pressed || !ScrollMainWindowToTile(xy)) {

    83

			if (_ctrl_pressed) ShowExtraViewPortWindow(xy);

    84

    85

			/* otherwise determine to coordinate for subsidy and scroll to it */

    86

			offs = s->to;

    87

			if (s->age >= 12) {

    88

				xy = GetStation(offs)->xy;

    89

			} else if (te == TE_PASSENGERS || te == TE_MAIL || te == TE_GOODS || te == TE_FOOD) {

    90

				xy = GetTown(offs)->xy;

    91

			} else {

    92

				xy = GetIndustry(offs)->xy;

    93

			}

    94

    95

			if (_ctrl_pressed) {

    96

				ShowExtraViewPortWindow(xy);

    97

			} else {

    98

				ScrollMainWindowToTile(xy);

    99

			}

   100

		}

   101

	}

   102

   103

	virtual void OnPaint()

   104

	{

   105

		YearMonthDay ymd;

   106

		const Subsidy *s;

   107

   108

		this->DrawWidgets();

   109

   110

		ConvertDateToYMD(_date, &ymd);

   111

   112

		int width = this->width - 13;  // scroll bar = 11 + pixel each side

   113

		int y = 15;

   114

		int x = 1;

   115

   116

		/* Section for drawing the offered subisidies */

   117

		DrawStringTruncated(x, y, STR_2026_SUBSIDIES_ON_OFFER_FOR, TC_FROMSTRING, width);

   118

		y += 10;

   119

		uint num = 0;

   120

   121

		for (s = _subsidies; s != endof(_subsidies); s++) {

   122

			if (s->cargo_type != CT_INVALID && s->age < 12) {

   123

				int x2;

   124

   125

				/* Displays the two offered towns */

   126

				SetupSubsidyDecodeParam(s, 1);

   127

				x2 = DrawStringTruncated(x + 2, y, STR_2027_FROM_TO, TC_FROMSTRING, width - 2);

   128

   129

				if (width - x2 > 10) {

   130

					/* Displays the deadline before voiding the proposal */

   131

					SetDParam(0, _date - ymd.day + 384 - s->age * 32);

   132

					DrawStringTruncated(x2, y, STR_2028_BY, TC_FROMSTRING, width - x2);

   133

				}

   134

   135

				y += 10;

   136

				num++;

   137

			}

   138

		}

   139

   140

		if (num == 0) {

   141

			DrawStringTruncated(x + 2, y, STR_202A_NONE, TC_FROMSTRING, width - 2);

   142

			y += 10;

   143

		}

   144

   145

		/* Section for drawing the already granted subisidies */

   146

		DrawStringTruncated(x, y + 1, STR_202B_SERVICES_ALREADY_SUBSIDISED, TC_FROMSTRING, width);

   147

		y += 10;

   148

		num = 0;

   149

   150

		for (s = _subsidies; s != endof(_subsidies); s++) {

   151

			if (s->cargo_type != CT_INVALID && s->age >= 12) {

   152

				int xt;

   153

   154

				SetupSubsidyDecodeParam(s, 1);

   155

   156

				PlayerID player = GetStation(s->to)->owner;

   157

				SetDParam(3, player);

   158

   159

				/* Displays the two connected stations */

   160

				xt = DrawStringTruncated(x + 2, y, STR_202C_FROM_TO, TC_FROMSTRING, width - 2);

   161

   162

				/* Displays the date where the granted subsidy will end */

   163

				if ((xt > 3) && (width - xt) > 9 ) { // do not draw if previous drawing failed or if it will overlap on scrollbar

   164

					SetDParam(0, _date - ymd.day + 768 - s->age * 32);

   165

					DrawStringTruncated(xt, y, STR_202D_UNTIL, TC_FROMSTRING, width - xt);

   166

				}

   167

				y += 10;

   168

				num++;

   169

			}

   170

		}

   171

   172

		if (num == 0) DrawStringTruncated(x + 2, y, STR_202A_NONE, TC_FROMSTRING, width - 2);

   173

	}

   174

};

   175

   176

static const Widget _subsidies_list_widgets[] = {

   177

{   WWT_CLOSEBOX, RESIZE_NONE,   13,   0,  10,   0,  13, STR_00C5,           STR_018B_CLOSE_WINDOW},

   178

{    WWT_CAPTION, RESIZE_RIGHT,  13,  11, 307,   0,  13, STR_2025_SUBSIDIES, STR_018C_WINDOW_TITLE_DRAG_THIS},

   179

{  WWT_STICKYBOX, RESIZE_LR,     13, 308, 319,   0,  13, STR_NULL,           STR_STICKY_BUTTON},

   180

{      WWT_PANEL, RESIZE_RB,     13,   0, 307,  14, 126, 0x0,                STR_01FD_CLICK_ON_SERVICE_TO_CENTER},

   181

{  WWT_SCROLLBAR, RESIZE_LRB,    13, 308, 319,  14, 114, 0x0,                STR_0190_SCROLL_BAR_SCROLLS_LIST},

   182

{  WWT_RESIZEBOX, RESIZE_LRTB,   13, 308, 319, 115, 126, 0x0,                STR_RESIZE_BUTTON},

   183

   184

{   WIDGETS_END},

   185

};

   186

   187

static const WindowDesc _subsidies_list_desc = {

   188

	WDP_AUTO, WDP_AUTO, 320, 127, 320, 127,

   189

	WC_SUBSIDIES_LIST, WC_NONE,

   190

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   191

	_subsidies_list_widgets,

   192

};

   193

   194

   195

void ShowSubsidiesList()

   196

{

   197

	AllocateWindowDescFront<SubsidyListWindow>(&_subsidies_list_desc, 0);

   198

}