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00012 #ifndef WINDOW_GUI_H
00013 #define WINDOW_GUI_H
00014
00015 #include "vehicle_type.h"
00016 #include "viewport_type.h"
00017 #include "company_type.h"
00018 #include "tile_type.h"
00019 #include "widget_type.h"
00020 #include "core/smallvec_type.hpp"
00021
00023 enum EventState {
00024 ES_HANDLED,
00025 ES_NOT_HANDLED,
00026 };
00027
00031 enum FrameFlags {
00032 FR_NONE = 0,
00033 FR_TRANSPARENT = 1 << 0,
00034 FR_BORDERONLY = 1 << 4,
00035 FR_LOWERED = 1 << 5,
00036 FR_DARKENED = 1 << 6,
00037 };
00038
00039 DECLARE_ENUM_AS_BIT_SET(FrameFlags)
00040
00041
00042 enum WidgetDrawDistances {
00043
00044 WD_IMGBTN_LEFT = 1,
00045 WD_IMGBTN_RIGHT = 2,
00046 WD_IMGBTN_TOP = 1,
00047 WD_IMGBTN_BOTTOM = 2,
00048
00049
00050 WD_INSET_LEFT = 2,
00051 WD_INSET_RIGHT = 2,
00052 WD_INSET_TOP = 1,
00053
00054 WD_VSCROLLBAR_WIDTH = 12,
00055
00056 WD_HSCROLLBAR_HEIGHT = 12,
00057
00058
00059 WD_FRAMERECT_LEFT = 2,
00060 WD_FRAMERECT_RIGHT = 2,
00061 WD_FRAMERECT_TOP = 1,
00062 WD_FRAMERECT_BOTTOM = 1,
00063
00064
00065 WD_TEXTPANEL_TOP = 6,
00066 WD_TEXTPANEL_BOTTOM = 6,
00067
00068
00069 WD_FRAMETEXT_LEFT = 6,
00070 WD_FRAMETEXT_RIGHT = 6,
00071 WD_FRAMETEXT_TOP = 6,
00072 WD_FRAMETEXT_BOTTOM = 6,
00073
00074
00075 WD_MATRIX_LEFT = 2,
00076 WD_MATRIX_RIGHT = 2,
00077 WD_MATRIX_TOP = 3,
00078 WD_MATRIX_BOTTOM = 1,
00079
00080
00081 WD_SHADEBOX_WIDTH = 12,
00082 WD_SHADEBOX_LEFT = 2,
00083 WD_SHADEBOX_RIGHT = 2,
00084 WD_SHADEBOX_TOP = 3,
00085 WD_SHADEBOX_BOTTOM = 3,
00086
00087
00088 WD_STICKYBOX_WIDTH = 12,
00089 WD_STICKYBOX_LEFT = 2,
00090 WD_STICKYBOX_RIGHT = 2,
00091 WD_STICKYBOX_TOP = 3,
00092 WD_STICKYBOX_BOTTOM = 3,
00093
00094
00095 WD_DEBUGBOX_WIDTH = 12,
00096 WD_DEBUGBOX_LEFT = 2,
00097 WD_DEBUGBOX_RIGHT = 2,
00098 WD_DEBUGBOX_TOP = 3,
00099 WD_DEBUGBOX_BOTTOM = 3,
00100
00101
00102 WD_RESIZEBOX_WIDTH = 12,
00103 WD_RESIZEBOX_LEFT = 3,
00104 WD_RESIZEBOX_RIGHT = 2,
00105 WD_RESIZEBOX_TOP = 3,
00106 WD_RESIZEBOX_BOTTOM = 2,
00107
00108
00109 WD_CLOSEBOX_WIDTH = 11,
00110 WD_CLOSEBOX_LEFT = 2,
00111 WD_CLOSEBOX_RIGHT = 1,
00112 WD_CLOSEBOX_TOP = 2,
00113 WD_CLOSEBOX_BOTTOM = 2,
00114
00115
00116 WD_CAPTION_HEIGHT = 14,
00117 WD_CAPTIONTEXT_LEFT = 2,
00118 WD_CAPTIONTEXT_RIGHT = 2,
00119 WD_CAPTIONTEXT_TOP = 2,
00120 WD_CAPTIONTEXT_BOTTOM = 2,
00121
00122
00123 WD_DROPDOWN_HEIGHT = 12,
00124 WD_DROPDOWNTEXT_LEFT = 2,
00125 WD_DROPDOWNTEXT_RIGHT = 14,
00126 WD_DROPDOWNTEXT_TOP = 1,
00127 WD_DROPDOWNTEXT_BOTTOM = 1,
00128
00129 WD_SORTBUTTON_ARROW_WIDTH = 11,
00130
00131 WD_PAR_VSEP_NORMAL = 2,
00132 WD_PAR_VSEP_WIDE = 8,
00133 };
00134
00135
00136 void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, FrameFlags flags);
00137 void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str);
00138
00139
00140 extern Window *_z_front_window;
00141 extern Window *_z_back_window;
00142 extern Window *_focused_window;
00143
00144
00146 enum WindowPosition {
00147 WDP_MANUAL,
00148 WDP_AUTO,
00149 WDP_CENTER,
00150 WDP_ALIGN_TOOLBAR,
00151 };
00152
00153 Point GetToolbarAlignedWindowPosition(int window_width);
00154
00158 struct WindowDesc : ZeroedMemoryAllocator {
00159
00160 WindowDesc(WindowPosition default_pos, int16 def_width, int16 def_height,
00161 WindowClass window_class, WindowClass parent_class, uint32 flags,
00162 const NWidgetPart *nwid_parts, int16 nwid_length);
00163
00164 ~WindowDesc();
00165
00166 WindowPosition default_pos;
00167 int16 default_width;
00168 int16 default_height;
00169 WindowClass cls;
00170 WindowClass parent_cls;
00171 uint32 flags;
00172 const NWidgetPart *nwid_parts;
00173 int16 nwid_length;
00174 };
00175
00179 enum WindowDefaultFlag {
00180 WDF_CONSTRUCTION = 1 << 0,
00181 WDF_UNCLICK_BUTTONS = 1 << 1,
00182 WDF_MODAL = 1 << 2,
00183 WDF_NO_FOCUS = 1 << 3,
00184 };
00185
00189 struct ResizeInfo {
00190 uint step_width;
00191 uint step_height;
00192 };
00193
00195 enum SortButtonState {
00196 SBS_OFF,
00197 SBS_DOWN,
00198 SBS_UP,
00199 };
00200
00208 struct ViewportData : ViewPort {
00209 VehicleID follow_vehicle;
00210 int32 scrollpos_x;
00211 int32 scrollpos_y;
00212 int32 dest_scrollpos_x;
00213 int32 dest_scrollpos_y;
00214 };
00215
00219 struct Window : ZeroedMemoryAllocator {
00220 protected:
00221 void InitializeData(const WindowDesc *desc, WindowNumber window_number);
00222 void InitializePositionSize(int x, int y, int min_width, int min_height);
00223 void FindWindowPlacementAndResize(int def_width, int def_height);
00224
00225 SmallVector<int, 4> scheduled_invalidation_data;
00226
00227 public:
00228 Window();
00229
00230 virtual ~Window();
00231
00238 FORCEINLINE void *operator new[](size_t size)
00239 {
00240 NOT_REACHED();
00241 }
00242
00248 FORCEINLINE void operator delete(void *ptr)
00249 {
00250 }
00251
00252 uint16 flags4;
00253 WindowClass window_class;
00254 WindowNumber window_number;
00255
00256 int left;
00257 int top;
00258 int width;
00259 int height;
00260
00261 ResizeInfo resize;
00262
00263 Owner owner;
00264
00265 ViewportData *viewport;
00266 uint32 desc_flags;
00267 const NWidgetCore *nested_focus;
00268 NWidgetBase *nested_root;
00269 NWidgetBase **nested_array;
00270 uint nested_array_size;
00271 NWidgetStacked *shade_select;
00272 Dimension unshaded_size;
00273
00274 int scrolling_scrollbar;
00275
00276 Window *parent;
00277 Window *z_front;
00278 Window *z_back;
00279
00280 template <class NWID>
00281 inline const NWID *GetWidget(uint widnum) const;
00282 template <class NWID>
00283 inline NWID *GetWidget(uint widnum);
00284
00285 const Scrollbar *GetScrollbar(uint widnum) const;
00286 Scrollbar *GetScrollbar(uint widnum);
00287
00288 void InitNested(const WindowDesc *desc, WindowNumber number = 0);
00289 void CreateNestedTree(const WindowDesc *desc, bool fill_nested = true);
00290 void FinishInitNested(const WindowDesc *desc, WindowNumber window_number = 0);
00291
00299 inline void SetWidgetDisabledState(byte widget_index, bool disab_stat)
00300 {
00301 assert(widget_index < this->nested_array_size);
00302 if (this->nested_array[widget_index] != NULL) this->GetWidget<NWidgetCore>(widget_index)->SetDisabled(disab_stat);
00303 }
00304
00309 inline void DisableWidget(byte widget_index)
00310 {
00311 SetWidgetDisabledState(widget_index, true);
00312 }
00313
00318 inline void EnableWidget(byte widget_index)
00319 {
00320 SetWidgetDisabledState(widget_index, false);
00321 }
00322
00328 inline bool IsWidgetDisabled(byte widget_index) const
00329 {
00330 assert(widget_index < this->nested_array_size);
00331 return this->GetWidget<NWidgetCore>(widget_index)->IsDisabled();
00332 }
00333
00339 inline bool IsWidgetFocused(byte widget_index) const
00340 {
00341 return this->nested_focus != NULL && this->nested_focus->index == widget_index;
00342 }
00343
00350 inline bool IsWidgetGloballyFocused(byte widget_index) const
00351 {
00352 return _focused_window == this && IsWidgetFocused(widget_index);
00353 }
00354
00360 inline void SetWidgetLoweredState(byte widget_index, bool lowered_stat)
00361 {
00362 assert(widget_index < this->nested_array_size);
00363 this->GetWidget<NWidgetCore>(widget_index)->SetLowered(lowered_stat);
00364 }
00365
00370 inline void ToggleWidgetLoweredState(byte widget_index)
00371 {
00372 assert(widget_index < this->nested_array_size);
00373 bool lowered_state = this->GetWidget<NWidgetCore>(widget_index)->IsLowered();
00374 this->GetWidget<NWidgetCore>(widget_index)->SetLowered(!lowered_state);
00375 }
00376
00381 inline void LowerWidget(byte widget_index)
00382 {
00383 SetWidgetLoweredState(widget_index, true);
00384 }
00385
00390 inline void RaiseWidget(byte widget_index)
00391 {
00392 SetWidgetLoweredState(widget_index, false);
00393 }
00394
00400 inline bool IsWidgetLowered(byte widget_index) const
00401 {
00402 assert(widget_index < this->nested_array_size);
00403 return this->GetWidget<NWidgetCore>(widget_index)->IsLowered();
00404 }
00405
00406 void UnfocusFocusedWidget();
00407 bool SetFocusedWidget(byte widget_index);
00408
00409 void HandleButtonClick(byte widget);
00410 int GetRowFromWidget(int clickpos, int widget, int padding, int line_height = -1) const;
00411
00412 void RaiseButtons(bool autoraise = false);
00413 void CDECL SetWidgetsDisabledState(bool disab_stat, int widgets, ...);
00414 void CDECL SetWidgetsLoweredState(bool lowered_stat, int widgets, ...);
00415 void SetWidgetDirty(byte widget_index) const;
00416
00417 void DrawWidgets() const;
00418 void DrawViewport() const;
00419 void DrawSortButtonState(int widget, SortButtonState state) const;
00420
00421 void DeleteChildWindows(WindowClass wc = WC_INVALID) const;
00422
00423 void SetDirty() const;
00424 void ReInit(int rx = 0, int ry = 0);
00425
00427 inline bool IsShaded() const
00428 {
00429 return this->shade_select != NULL && this->shade_select->shown_plane == SZSP_HORIZONTAL;
00430 }
00431
00432 void SetShaded(bool make_shaded);
00433
00438 void InvalidateData(int data = 0)
00439 {
00440 this->SetDirty();
00441 this->OnInvalidateData(data);
00442 }
00443
00449 void ScheduleInvalidateData(int data = 0)
00450 {
00451 this->SetDirty();
00452 *this->scheduled_invalidation_data.Append() = data;
00453 }
00454
00458 void ProcessScheduledInvalidations()
00459 {
00460 for (int *data = this->scheduled_invalidation_data.Begin(); this->window_class != WC_INVALID && data != this->scheduled_invalidation_data.End(); data++) {
00461 this->OnInvalidateData(*data);
00462 }
00463 this->scheduled_invalidation_data.Clear();
00464 }
00465
00466
00467
00472 virtual void OnInit() { }
00473
00482 virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number);
00483
00488 virtual void OnPaint()
00489 {
00490 this->DrawWidgets();
00491 }
00492
00499 virtual void DrawWidget(const Rect &r, int widget) const {}
00500
00513 virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) {}
00514
00521 virtual void SetStringParameters(int widget) const {}
00522
00526 virtual void OnFocus() {}
00527
00531 virtual void OnFocusLost() {}
00532
00540 virtual EventState OnKeyPress(uint16 key, uint16 keycode) { return ES_NOT_HANDLED; }
00541
00547 virtual EventState OnCTRLStateChange() { return ES_NOT_HANDLED; }
00548
00549
00556 virtual void OnClick(Point pt, int widget, int click_count) {}
00557
00565 virtual bool OnRightClick(Point pt, int widget) { return false; }
00566
00572 virtual void OnHover(Point pt, int widget) {}
00573
00579 virtual void OnMouseDrag(Point pt, int widget) {}
00580
00586 virtual void OnDragDrop(Point pt, int widget) {}
00587
00592 virtual void OnScroll(Point delta) {}
00593
00600 virtual void OnMouseOver(Point pt, int widget) {}
00601
00606 virtual void OnMouseWheel(int wheel) {}
00607
00608
00612 virtual void OnMouseLoop() {}
00613
00617 virtual void OnTick() {}
00618
00622 virtual void OnHundredthTick() {}
00623
00627 virtual void OnTimeout() {}
00628
00629
00634 virtual void OnResize() {}
00635
00641 virtual void OnDropdownSelect(int widget, int index) {}
00642
00649 virtual void OnQueryTextFinished(char *str) {}
00650
00655 virtual void OnInvalidateData(int data = 0) {}
00656
00657
00664 virtual void OnPlaceObject(Point pt, TileIndex tile) {}
00665
00670 virtual void OnVehicleSelect(const struct Vehicle *v) {}
00671
00675 virtual void OnPlaceObjectAbort() {}
00676
00677
00685 virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt) {}
00686
00696 virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile) {}
00697
00705 virtual void OnPlacePresize(Point pt, TileIndex tile) {}
00706
00707
00708
00713 virtual bool IsNewGRFInspectable() const { return false; }
00714
00721 virtual void ShowNewGRFInspectWindow() const { NOT_REACHED(); }
00722 };
00723
00730 template <class NWID>
00731 inline NWID *Window::GetWidget(uint widnum)
00732 {
00733 if (widnum >= this->nested_array_size || this->nested_array[widnum] == NULL) return NULL;
00734 NWID *nwid = dynamic_cast<NWID *>(this->nested_array[widnum]);
00735 assert(nwid != NULL);
00736 return nwid;
00737 }
00738
00740 template <>
00741 inline const NWidgetBase *Window::GetWidget<NWidgetBase>(uint widnum) const
00742 {
00743 if (widnum >= this->nested_array_size) return NULL;
00744 return this->nested_array[widnum];
00745 }
00746
00753 template <class NWID>
00754 inline const NWID *Window::GetWidget(uint widnum) const
00755 {
00756 return const_cast<Window *>(this)->GetWidget<NWID>(widnum);
00757 }
00758
00759
00763 class PickerWindowBase : public Window {
00764
00765 public:
00766 PickerWindowBase(Window *parent) : Window()
00767 {
00768 this->parent = parent;
00769 }
00770
00771 virtual ~PickerWindowBase();
00772 };
00773
00777 enum WindowFlags {
00778 WF_TIMEOUT_TRIGGER = 1,
00779 WF_TIMEOUT_BEGIN = 7,
00780 WF_TIMEOUT_MASK = 7,
00781 WF_DRAGGING = 1 << 3,
00782 WF_SIZING_RIGHT = 1 << 4,
00783 WF_SIZING_LEFT = 1 << 5,
00784 WF_SIZING = WF_SIZING_RIGHT | WF_SIZING_LEFT,
00785 WF_STICKY = 1 << 6,
00786
00787 WF_DISABLE_VP_SCROLL = 1 << 7,
00788
00789 WF_WHITE_BORDER_ONE = 1 << 8,
00790 WF_WHITE_BORDER_MASK = 1 << 9 | WF_WHITE_BORDER_ONE,
00791
00792 WF_CENTERED = 1 << 10,
00793 };
00794
00795 Window *BringWindowToFrontById(WindowClass cls, WindowNumber number);
00796 Window *FindWindowFromPt(int x, int y);
00797
00804 template <typename Wcls>
00805 Wcls *AllocateWindowDescFront(const WindowDesc *desc, int window_number)
00806 {
00807 if (BringWindowToFrontById(desc->cls, window_number)) return NULL;
00808 return new Wcls(desc, window_number);
00809 }
00810
00811 void RelocateAllWindows(int neww, int newh);
00812
00813
00814 enum TooltipCloseCondition {
00815 TCC_RIGHT_CLICK,
00816 TCC_LEFT_CLICK,
00817 TCC_HOVER,
00818 };
00819
00820 void GuiShowTooltips(Window *parent, StringID str, uint paramcount = 0, const uint64 params[] = NULL, TooltipCloseCondition close_tooltip = TCC_HOVER);
00821
00822
00823 int GetWidgetFromPos(const Window *w, int x, int y);
00824
00826 #define FOR_ALL_WINDOWS_FROM_BACK_FROM(w, start) for (w = start; w != NULL; w = w->z_front) if (w->window_class != WC_INVALID)
00827 #define FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, start) for (w = start; w != NULL; w = w->z_back) if (w->window_class != WC_INVALID)
00828 #define FOR_ALL_WINDOWS_FROM_BACK(w) FOR_ALL_WINDOWS_FROM_BACK_FROM(w, _z_back_window)
00829 #define FOR_ALL_WINDOWS_FROM_FRONT(w) FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, _z_front_window)
00830
00831 extern Point _cursorpos_drag_start;
00832
00833 extern int _scrollbar_start_pos;
00834 extern int _scrollbar_size;
00835 extern byte _scroller_click_timeout;
00836
00837 extern bool _scrolling_viewport;
00838 extern bool _mouse_hovering;
00839
00841 enum SpecialMouseMode {
00842 WSM_NONE,
00843 WSM_DRAGDROP,
00844 WSM_SIZING,
00845 WSM_PRESIZE,
00846 };
00847 extern SpecialMouseMode _special_mouse_mode;
00848
00849 void SetFocusedWindow(Window *w);
00850
00851 void ScrollbarClickHandler(Window *w, NWidgetCore *nw, int x, int y);
00852
00853 #endif