1 files changed, 458 insertions, 0 deletions
diff --git a/window.h b/window.h
new file mode 100644
index 000000000..1117fad60
--- /dev/null
+++ b/window.h
@@ -0,0 +1,458 @@
+#ifndef WINDOW_H
+#define WINDOW_H
+
+typedef union WindowEvent WindowEvent;
+
+//typedef void WindowProc(Window *w, int event, int wparam, long lparam);
+
+typedef void WindowProc(Window *w, WindowEvent *e);
+
+typedef struct Widget {
+	byte type;
+	byte color;
+	uint16 left, right, top, bottom;
+	uint16 unkA;
+	uint16 tooltips;
+} Widget;
+
+union WindowEvent {
+	byte event;
+	struct {
+		byte event;
+		Point pt;
+		int widget;
+	} click;
+
+	struct {
+		byte event;
+		Point pt;
+		uint tile;
+		uint starttile;
+		int userdata;
+	} place;
+
+	struct {
+		byte event;
+		Point pt;
+		int widget;
+	} dragdrop;
+
+	struct {
+		byte event;
+		byte *str;
+	} edittext;
+
+	struct {
+		byte event;
+		Point pt;
+	} popupmenu;
+
+	struct {
+		byte event;
+		int button;
+		int index;
+	} dropdown;
+
+	struct {
+		byte event;
+		bool cont;   // continue the search? (default true)
+		byte ascii;  // 8-bit ASCII-value of the key
+		uint16 keycode;// untranslated key (including shift-state)
+	} keypress;
+};
+
+enum WindowKeyCodes {
+	WKC_SHIFT = 0x8000,
+	WKC_CTRL  = 0x4000,
+	WKC_ALT   = 0x2000,
+	WKC_META  = 0x1000,
+	
+	// Special ones
+	WKC_NONE = 0,
+	WKC_ESC=1,
+	WKC_BACKSPACE = 2,
+	WKC_INSERT = 3,
+	WKC_DELETE = 4,
+
+	WKC_PAGEUP = 5,
+	WKC_PAGEDOWN = 6,
+	WKC_END = 7,
+	WKC_HOME = 8,
+
+	// Arrow keys
+	WKC_LEFT = 9,
+	WKC_UP = 10,
+	WKC_RIGHT = 11,
+	WKC_DOWN = 12,
+
+	// Return & tab
+	WKC_RETURN = 13,
+	WKC_TAB = 14,
+	
+	// Numerical keyboard
+	WKC_NUM_0 = 16,
+	WKC_NUM_1 = 17,
+	WKC_NUM_2 = 18,
+	WKC_NUM_3 = 19,
+	WKC_NUM_4 = 20,
+	WKC_NUM_5 = 21,
+	WKC_NUM_6 = 22,
+	WKC_NUM_7 = 23,
+	WKC_NUM_8 = 24,
+	WKC_NUM_9 = 25,
+	WKC_NUM_DIV = 26,
+	WKC_NUM_MUL = 27,
+	WKC_NUM_MINUS = 28,
+	WKC_NUM_PLUS = 29,
+	WKC_NUM_ENTER = 30,
+	WKC_NUM_DECIMAL = 31,
+
+	// Space
+	WKC_SPACE = 32,
+
+	// Function keys
+	WKC_F1 = 33,
+	WKC_F2 = 34,
+	WKC_F3 = 35,
+	WKC_F4 = 36,
+	WKC_F5 = 37,
+	WKC_F6 = 38,
+	WKC_F7 = 39,
+	WKC_F8 = 40,
+	WKC_F9 = 41,
+	WKC_F10 = 42,
+	WKC_F11 = 43,
+	WKC_F12 = 44,
+
+	// Required for french keyboard
+	WKC_AMPERSAND = 45,
+	
+	// 0-9 are mapped to 48-57
+	// A-Z are mapped to 65-90
+	// a-z are mapped to 97-122
+	
+
+	//WKC_UNKNOWN = 0xFF,
+	
+};
+
+typedef struct WindowDesc {
+	int16 left, top, width, height;
+	byte cls;
+	byte parent_cls;
+	uint32 flags;
+	const Widget *widgets;
+	WindowProc *proc;
+} WindowDesc;
+
+enum {
+	WDF_STD_TOOLTIPS = 1,		/* use standard routine when displaying tooltips */
+	WDF_DEF_WIDGET = 2,			/* default widget control for some widgets in the on click event */
+	WDF_STD_BTN = 4,				/* default handling for close and drag widgets (widget no 0 and 1) */
+	WDF_RESTORE_DPARAM = 8, /* when drawing widgets, restore the dparam so all widgets recieve the same set of them */
+	WDF_UNCLICK_BUTTONS=16, /* Unclick buttons when the window event times out */
+};
+
+/* can be used as x or y coordinates to cause a specific placement */
+enum {
+	WDP_AUTO = -1,
+	WDP_CENTER = -2,
+};
+
+#define WP(ptr,str) (*(str*)(ptr)->custom)
+
+typedef struct {
+	byte count, cap, pos;
+} Scrollbar;
+
+struct Window {
+	uint16 flags4;
+	WindowClass window_class;
+	WindowNumber window_number;
+
+	int left,top;
+	int width,height;
+
+	Scrollbar hscroll, vscroll;
+
+	byte caption_color;
+
+	uint32 click_state, disabled_state, hidden_state;
+	WindowProc *wndproc;
+	ViewPort *viewport;
+	const Widget *widget;
+	//const WindowDesc *desc;
+	uint32 desc_flags;
+
+	byte custom[16];
+};
+
+typedef struct {
+	byte item_count; /* follow_vehicle */
+	byte sel_index;		/* scrollpos_x */
+	byte main_button; /* scrollpos_y */
+	byte action_id;
+	StringID string_id; /* unk30 */
+	uint16 checked_items; /* unk32 */
+} menu_d;
+
+typedef struct {
+	int16 data_1, data_2, data_3;
+	int16 data_4, data_5;
+	bool close; /* scrollpos_y */
+	byte byte_1;
+} def_d;
+
+typedef struct {
+	void *data;
+} void_d;
+
+typedef struct {
+	uint16 base; /* follow_vehicle */
+	uint16 count;/* scrollpos_x */
+} tree_d;
+
+typedef struct {
+	byte refresh_counter; /* follow_vehicle */
+} plstations_d;
+
+typedef struct {
+	StringID string_id;
+} tooltips_d;
+
+typedef struct {
+	byte railtype;
+	byte sel_index;
+	int16 sel_engine;
+	int16 rename_engine;
+} buildtrain_d;
+
+typedef struct {
+	VehicleID sel;
+} traindepot_d;
+
+typedef struct {
+	int sel;
+} order_d;
+
+typedef struct {
+	byte tab;
+} traindetails_d;
+
+typedef struct {
+	int16 scroll_x, scroll_y, subscroll;			
+} smallmap_d;
+
+typedef struct {
+	uint32 face;
+	byte gender;
+} facesel_d;
+
+typedef struct {
+	StringID caption;
+	bool caret;
+	WindowClass wnd_class;
+	WindowNumber wnd_num;
+	uint16 maxlen, maxwidth;
+	byte *buf;
+} querystr_d;
+
+typedef struct {
+	int sel;
+	byte cargo;
+} refit_d;
+
+typedef struct {
+	uint16 follow_vehicle;
+	int16 scrollpos_x, scrollpos_y;
+} vp_d;
+
+typedef struct {
+	uint16 follow_vehicle;
+	int16 scrollpos_x, scrollpos_y;
+	NewsItem *ni;
+} news_d;
+
+enum WindowEvents {
+	WE_CLICK = 0,
+	WE_PAINT = 1,
+	WE_MOUSELOOP = 2,
+	WE_TICK = 3,
+	WE_4 = 4,
+	WE_TIMEOUT = 5,
+	WE_PLACE_OBJ = 6,
+	WE_ABORT_PLACE_OBJ = 7,
+	WE_DESTROY = 8,
+	WE_ON_EDIT_TEXT = 9,
+	WE_POPUPMENU_SELECT = 10,
+	WE_POPUPMENU_OVER = 11,
+	WE_DRAGDROP = 12,
+	WE_PLACE_DRAG = 13,
+	WE_PLACE_MOUSEUP = 14,
+	WE_PLACE_PRESIZE = 15,
+	WE_DROPDOWN_SELECT = 16,
+	WE_RCLICK = 17,
+	WE_KEYPRESS = 18,
+};
+
+
+/****************** THESE ARE NOT WIDGET TYPES!!!!! *******************/
+enum WindowWidgetBehaviours {
+	WWB_PUSHBUTTON = 1 << 5,
+	WWB_NODISBUTTON = 2 << 5,
+};
+
+
+enum WindowWidgetTypes {
+	WWT_EMPTY = 0,
+	
+	WWT_IMGBTN = 1, /* button with image */
+	WWT_PANEL = WWT_IMGBTN,
+	WWT_PANEL_2 = 2,/* button with diff image when clicked */
+
+	WWT_TEXTBTN = 3,/* button with text */
+	WWT_CLOSEBOX = WWT_TEXTBTN,
+	WWT_4 = 4, /* button with diff text when clicked */
+	WWT_5 = 5, /* label */
+	WWT_6 = 6, /* combo box text area */
+	WWT_MATRIX = 7,
+	WWT_SCROLLBAR = 8,
+	WWT_FRAME = 9, /* frame */
+	WWT_CAPTION = 10,
+	
+	WWT_HSCROLLBAR = 11,
+	WWT_LAST = 12,
+
+	WWT_MASK = 31,
+
+	WWT_PUSHTXTBTN = WWT_TEXTBTN | WWB_PUSHBUTTON,
+	WWT_PUSHIMGBTN = WWT_IMGBTN | WWB_PUSHBUTTON,
+	WWT_NODISTXTBTN = WWT_TEXTBTN | WWB_NODISBUTTON,
+};
+
+enum WindowFlags {
+	WF_TIMEOUT_SHL = 0,
+	WF_TIMEOUT_MASK = 7,
+	WF_DRAGGING = 1 << 3,
+	WF_SCROLL_UP = 1 << 4,
+	WF_SCROLL_DOWN = 1 << 5,
+	WF_SCROLL_MIDDLE = 1 << 6,
+	WF_HSCROLL = 1 << 7,
+	WF_SIZING = 1 << 8,
+
+	WF_DISABLE_VP_SCROLL = 1 << 10,
+
+	WF_WHITE_BORDER_ONE = 1 << 11,
+	WF_WHITE_BORDER_MASK = 3 << 11,
+};
+
+
+void DispatchLeftClickEvent(Window *w, int x, int y);
+void DispatchRightClickEvent(Window *w, int x, int y);
+void DispatchMouseWheelEvent(Window *w, int wheel);
+
+/* window.c */
+void DrawOverlappedWindow(Window *w, int left, int top, int right, int bottom);
+void CallWindowEventNP(Window *w, int event);
+void CallWindowTickEvent();
+void DrawDirtyBlocks();
+void SetDirtyBlocks(int left, int top, int right, int bottom);
+void SetWindowDirty(Window *w);
+
+Window *FindWindowById(WindowClass cls, WindowNumber number);
+void DeleteWindow(Window *w);
+Window *BringWindowToFrontById(WindowClass cls, WindowNumber number);
+Window *BringWindowToFront(Window *w);
+Window *StartWindowDrag(Window *w);
+Window *StartWindowSizing(Window *w);
+Window *FindWindowFromPt(int x, int y);
+
+Window *AllocateWindow(
+							int x,
+							int y,
+							int width,
+							int height,
+							WindowProc *proc, 
+							WindowClass cls,
+							const Widget *widget);
+
+Window *AllocateWindowDesc(const WindowDesc *desc);
+Window *AllocateWindowDescFront(const WindowDesc *desc, int value);
+
+Window *AllocateWindowAutoPlace(
+	int width,
+	int height,
+	WindowProc *proc, 
+	WindowClass cls,
+	const Widget *widget);
+
+Window *AllocateWindowAutoPlace2(
+	WindowClass exist_class,
+	WindowNumber exist_num,
+	int width,
+	int height,
+	WindowProc *proc, 
+	WindowClass cls,
+	const Widget *widget);
+
+void DrawWindowViewport(Window *w);
+
+void InitWindowSystem();
+int GetMenuItemIndex(Window *w, int x, int y);
+void MouseLoop();
+void UpdateWindows();
+void InvalidateWidget(Window *w, byte widget_index);
+
+void GuiShowTooltips(uint16 string_id);
+
+void UnclickWindowButtons(Window *w);
+void UnclickSomeWindowButtons(Window *w, uint32 mask);
+void RelocateAllWindows(int neww, int newh);
+
+/* widget.c */
+int GetWidgetFromPos(Window *w, int x, int y);
+void DrawWindowWidgets(Window *w);
+
+void HandleButtonClick(Window *w, byte widget);
+
+Window *GetCallbackWnd();
+void DeleteNonVitalWindows();
+
+/* window.c */
+VARDEF Window _windows[20];
+VARDEF Window *_last_window;
+
+VARDEF Point _cursorpos_drag_start;
+
+VARDEF bool _left_button_down;
+VARDEF bool _left_button_clicked;
+
+VARDEF bool _right_button_down;
+VARDEF bool _right_button_clicked;
+
+VARDEF int _alloc_wnd_parent_num;
+
+VARDEF int _scrollbar_start_pos;
+VARDEF int _scrollbar_size;
+VARDEF bool _demo_mode;
+VARDEF byte _scroller_click_timeout;
+
+VARDEF bool _dragging_window;
+VARDEF bool _scrolling_scrollbar;
+VARDEF bool _scrolling_viewport;
+VARDEF bool _popup_menu_active;
+//VARDEF bool _dragdrop_active;
+
+VARDEF Point _fix_mouse_at;
+
+VARDEF byte _special_mouse_mode;
+enum SpecialMouseMode {
+	WSM_NONE = 0,
+	WSM_DRAGDROP = 1,
+	WSM_SIZING = 2,
+	WSM_PRESIZE = 3,
+};
+
+void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y);
+
+#endif /* WINDOW_H */