# window_gui.h

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    00001 /* $Id: window_gui.h 25864 2013-10-13 19:18:30Z frosch $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    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 #include "core/smallmap_type.hpp"
    00022 #include "string_type.h"
    00023
    00027 enum FrameFlags {
    00028   FR_NONE         =  0,
    00029   FR_TRANSPARENT  =  1 << 0,
    00030   FR_BORDERONLY   =  1 << 4,
    00031   FR_LOWERED      =  1 << 5,
    00032   FR_DARKENED     =  1 << 6,
    00033 };
    00034
    00035 DECLARE_ENUM_AS_BIT_SET(FrameFlags)
    00036
    00037
    00038 enum WidgetDrawDistances {
    00039   /* WWT_IMGBTN(_2) */
    00040   WD_IMGBTN_LEFT    = 1,
    00041   WD_IMGBTN_RIGHT   = 2,
    00042   WD_IMGBTN_TOP     = 1,
    00043   WD_IMGBTN_BOTTOM  = 2,
    00044
    00045   /* WWT_INSET */
    00046   WD_INSET_LEFT  = 2,
    00047   WD_INSET_RIGHT = 2,
    00048   WD_INSET_TOP   = 1,
    00049
    00050   WD_SCROLLBAR_LEFT   = 2,
    00051   WD_SCROLLBAR_RIGHT  = 2,
    00052   WD_SCROLLBAR_TOP    = 2,
    00053   WD_SCROLLBAR_BOTTOM = 2,
    00054
    00055   /* Size of the pure frame bevel without any padding. */
    00056   WD_BEVEL_LEFT       = 1,
    00057   WD_BEVEL_RIGHT      = 1,
    00058   WD_BEVEL_TOP        = 1,
    00059   WD_BEVEL_BOTTOM     = 1,
    00060
    00061   /* FrameRect widgets, all text buttons, panel, editbox */
    00062   WD_FRAMERECT_LEFT   = 2,
    00063   WD_FRAMERECT_RIGHT  = 2,
    00064   WD_FRAMERECT_TOP    = 1,
    00065   WD_FRAMERECT_BOTTOM = 1,
    00066
    00067   /* Extra space at top/bottom of text panels */
    00068   WD_TEXTPANEL_TOP    = 6,
    00069   WD_TEXTPANEL_BOTTOM = 6,
    00070
    00071   /* WWT_FRAME */
    00072   WD_FRAMETEXT_LEFT   = 6,
    00073   WD_FRAMETEXT_RIGHT  = 6,
    00074   WD_FRAMETEXT_TOP    = 6,
    00075   WD_FRAMETEXT_BOTTOM = 6,
    00076
    00077   /* WWT_MATRIX */
    00078   WD_MATRIX_LEFT   = 2,
    00079   WD_MATRIX_RIGHT  = 2,
    00080   WD_MATRIX_TOP    = 3,
    00081   WD_MATRIX_BOTTOM = 1,
    00082
    00083   /* WWT_SHADEBOX */
    00084   WD_SHADEBOX_WIDTH  = 12,
    00085   WD_SHADEBOX_LEFT   = 2,
    00086   WD_SHADEBOX_RIGHT  = 2,
    00087   WD_SHADEBOX_TOP    = 3,
    00088   WD_SHADEBOX_BOTTOM = 3,
    00089
    00090   /* WWT_STICKYBOX */
    00091   WD_STICKYBOX_WIDTH  = 12,
    00092   WD_STICKYBOX_LEFT   = 2,
    00093   WD_STICKYBOX_RIGHT  = 2,
    00094   WD_STICKYBOX_TOP    = 3,
    00095   WD_STICKYBOX_BOTTOM = 3,
    00096
    00097   /* WWT_DEBUGBOX */
    00098   WD_DEBUGBOX_WIDTH  = 12,
    00099   WD_DEBUGBOX_LEFT   = 2,
    00100   WD_DEBUGBOX_RIGHT  = 2,
    00101   WD_DEBUGBOX_TOP    = 3,
    00102   WD_DEBUGBOX_BOTTOM = 3,
    00103
    00104   /* WWT_DEFSIZEBOX */
    00105   WD_DEFSIZEBOX_WIDTH  = 12,
    00106   WD_DEFSIZEBOX_LEFT   = 2,
    00107   WD_DEFSIZEBOX_RIGHT  = 2,
    00108   WD_DEFSIZEBOX_TOP    = 3,
    00109   WD_DEFSIZEBOX_BOTTOM = 3,
    00110
    00111   /* WWT_RESIZEBOX */
    00112   WD_RESIZEBOX_WIDTH  = 12,
    00113   WD_RESIZEBOX_LEFT   = 3,
    00114   WD_RESIZEBOX_RIGHT  = 2,
    00115   WD_RESIZEBOX_TOP    = 3,
    00116   WD_RESIZEBOX_BOTTOM = 2,
    00117
    00118   /* WWT_CLOSEBOX */
    00119   WD_CLOSEBOX_WIDTH  = 11,
    00120   WD_CLOSEBOX_LEFT   = 2,
    00121   WD_CLOSEBOX_RIGHT  = 1,
    00122   WD_CLOSEBOX_TOP    = 2,
    00123   WD_CLOSEBOX_BOTTOM = 2,
    00124
    00125   /* WWT_CAPTION */
    00126   WD_CAPTION_HEIGHT     = 14,
    00127   WD_CAPTIONTEXT_LEFT   = 2,
    00128   WD_CAPTIONTEXT_RIGHT  = 2,
    00129   WD_CAPTIONTEXT_TOP    = 2,
    00130   WD_CAPTIONTEXT_BOTTOM = 2,
    00131
    00132   /* Dropdown widget. */
    00133   WD_DROPDOWN_HEIGHT     = 12,
    00134   WD_DROPDOWNTEXT_LEFT   = 2,
    00135   WD_DROPDOWNTEXT_RIGHT  = 2,
    00136   WD_DROPDOWNTEXT_TOP    = 1,
    00137   WD_DROPDOWNTEXT_BOTTOM = 1,
    00138
    00139   WD_SORTBUTTON_ARROW_WIDTH = 11,
    00140
    00141   WD_PAR_VSEP_NORMAL = 2,
    00142   WD_PAR_VSEP_WIDE   = 8,
    00143 };
    00144
    00145 /* widget.cpp */
    00146 void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, FrameFlags flags);
    00147 void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str);
    00148
    00149 /* window.cpp */
    00150 extern Window *_z_front_window;
    00151 extern Window *_z_back_window;
    00152 extern Window *_focused_window;
    00153
    00154
    00156 enum WindowPosition {
    00157   WDP_MANUAL,
    00158   WDP_AUTO,
    00159   WDP_CENTER,
    00160   WDP_ALIGN_TOOLBAR,
    00161 };
    00162
    00163 Point GetToolbarAlignedWindowPosition(int window_width);
    00164
    00165 struct HotkeyList;
    00166
    00170 struct WindowDesc : ZeroedMemoryAllocator {
    00171
    00172   WindowDesc(WindowPosition default_pos, const char *ini_key, int16 def_width, int16 def_height,
    00173       WindowClass window_class, WindowClass parent_class, uint32 flags,
    00174       const NWidgetPart *nwid_parts, int16 nwid_length, HotkeyList *hotkeys = NULL);
    00175
    00176   ~WindowDesc();
    00177
    00178   WindowPosition default_pos;
    00179   int16 default_width;
    00180   int16 default_height;
    00181   WindowClass cls;
    00182   WindowClass parent_cls;
    00183   const char *ini_key;
    00184   uint32 flags;
    00185   const NWidgetPart *nwid_parts;
    00186   int16 nwid_length;
    00187   HotkeyList *hotkeys;
    00188
    00189   bool pref_sticky;
    00190   int16 pref_width;
    00191   int16 pref_height;
    00192
    00193   int16 GetDefaultWidth() const { return this->pref_width != 0 ? this->pref_width : this->default_width; }
    00194   int16 GetDefaultHeight() const { return this->pref_height != 0 ? this->pref_height : this->default_height; }
    00195
    00196   static void LoadFromConfig();
    00197   static void SaveToConfig();
    00198
    00199 private:
    00204   WindowDesc(const WindowDesc &other);
    00205 };
    00206
    00210 enum WindowDefaultFlag {
    00211   WDF_CONSTRUCTION    =   1 << 0,
    00212   WDF_MODAL           =   1 << 1,
    00213   WDF_NO_FOCUS        =   1 << 2,
    00214 };
    00215
    00219 struct ResizeInfo {
    00220   uint step_width;
    00221   uint step_height;
    00222 };
    00223
    00225 enum SortButtonState {
    00226   SBS_OFF,
    00227   SBS_DOWN,
    00228   SBS_UP,
    00229 };
    00230
    00234 enum WindowFlags {
    00235   WF_TIMEOUT           = 1 <<  0,
    00236
    00237   WF_DRAGGING          = 1 <<  3,
    00238   WF_SIZING_RIGHT      = 1 <<  4,
    00239   WF_SIZING_LEFT       = 1 <<  5,
    00240   WF_SIZING            = WF_SIZING_RIGHT | WF_SIZING_LEFT,
    00241   WF_STICKY            = 1 <<  6,
    00242   WF_DISABLE_VP_SCROLL = 1 <<  7,
    00243   WF_WHITE_BORDER      = 1 <<  8,
    00244   WF_HIGHLIGHTED       = 1 <<  9,
    00245   WF_CENTERED          = 1 << 10,
    00246 };
    00247 DECLARE_ENUM_AS_BIT_SET(WindowFlags)
    00248
    00249 static const int TIMEOUT_DURATION = 7;
    00250 static const int WHITE_BORDER_DURATION = 3;
    00251
    00259 struct ViewportData : ViewPort {
    00260   VehicleID follow_vehicle;
    00261   int32 scrollpos_x;
    00262   int32 scrollpos_y;
    00263   int32 dest_scrollpos_x;
    00264   int32 dest_scrollpos_y;
    00265 };
    00266
    00267 struct QueryString;
    00268
    00272 struct Window : ZeroedMemoryAllocator {
    00273 protected:
    00274   void InitializeData(WindowNumber window_number);
    00275   void InitializePositionSize(int x, int y, int min_width, int min_height);
    00276   void FindWindowPlacementAndResize(int def_width, int def_height);
    00277
    00278   SmallVector<int, 4> scheduled_invalidation_data;
    00279
    00280 public:
    00281   Window(WindowDesc *desc);
    00282
    00283   virtual ~Window();
    00284
    00291   inline void *operator new[](size_t size)
    00292   {
    00293     NOT_REACHED();
    00294   }
    00295
    00301   inline void operator delete(void *ptr)
    00302   {
    00303   }
    00304
    00305   WindowDesc *window_desc;
    00306   WindowFlags flags;
    00307   WindowClass window_class;
    00308   WindowNumber window_number;
    00309
    00310   uint8 timeout_timer;
    00311   uint8 white_border_timer;
    00312
    00313   int left;
    00314   int top;
    00315   int width;
    00316   int height;
    00317
    00318   ResizeInfo resize;
    00319
    00320   Owner owner;
    00321
    00322   ViewportData *viewport;
    00323   const NWidgetCore *nested_focus;
    00324   SmallMap<int, QueryString*> querystrings;
    00325   NWidgetBase *nested_root;
    00326   NWidgetBase **nested_array;
    00327   uint nested_array_size;
    00328   NWidgetStacked *shade_select;
    00329   Dimension unshaded_size;
    00330
    00331   int scrolling_scrollbar;
    00332
    00333   Window *parent;
    00334   Window *z_front;
    00335   Window *z_back;
    00336
    00337   template <class NWID>
    00338   inline const NWID *GetWidget(uint widnum) const;
    00339   template <class NWID>
    00340   inline NWID *GetWidget(uint widnum);
    00341
    00342   const Scrollbar *GetScrollbar(uint widnum) const;
    00343   Scrollbar *GetScrollbar(uint widnum);
    00344
    00345   const QueryString *GetQueryString(uint widnum) const;
    00346   QueryString *GetQueryString(uint widnum);
    00347
    00348   virtual const char *GetFocusedText() const;
    00349   virtual const char *GetCaret() const;
    00350   virtual const char *GetMarkedText(size_t *length) const;
    00351   virtual Point GetCaretPosition() const;
    00352   virtual Rect GetTextBoundingRect(const char *from, const char *to) const;
    00353   virtual const char *GetTextCharacterAtPosition(const Point &pt) const;
    00354
    00355   void InitNested(WindowNumber number = 0);
    00356   void CreateNestedTree(bool fill_nested = true);
    00357   void FinishInitNested(WindowNumber window_number = 0);
    00358
    00362   inline void SetTimeout()
    00363   {
    00364     this->flags |= WF_TIMEOUT;
    00365     this->timeout_timer = TIMEOUT_DURATION;
    00366   }
    00367
    00371   inline void SetWhiteBorder()
    00372   {
    00373     this->flags |= WF_WHITE_BORDER;
    00374     this->white_border_timer = WHITE_BORDER_DURATION;
    00375   }
    00376
    00377   void DisableAllWidgetHighlight();
    00378   void SetWidgetHighlight(byte widget_index, TextColour highlighted_colour);
    00379   bool IsWidgetHighlighted(byte widget_index) const;
    00380
    00388   inline void SetWidgetDisabledState(byte widget_index, bool disab_stat)
    00389   {
    00390     assert(widget_index < this->nested_array_size);
    00391     if (this->nested_array[widget_index] != NULL) this->GetWidget<NWidgetCore>(widget_index)->SetDisabled(disab_stat);
    00392   }
    00393
    00398   inline void DisableWidget(byte widget_index)
    00399   {
    00400     SetWidgetDisabledState(widget_index, true);
    00401   }
    00402
    00407   inline void EnableWidget(byte widget_index)
    00408   {
    00409     SetWidgetDisabledState(widget_index, false);
    00410   }
    00411
    00417   inline bool IsWidgetDisabled(byte widget_index) const
    00418   {
    00419     assert(widget_index < this->nested_array_size);
    00420     return this->GetWidget<NWidgetCore>(widget_index)->IsDisabled();
    00421   }
    00422
    00428   inline bool IsWidgetFocused(byte widget_index) const
    00429   {
    00430     return this->nested_focus != NULL && this->nested_focus->index == widget_index;
    00431   }
    00432
    00439   inline bool IsWidgetGloballyFocused(byte widget_index) const
    00440   {
    00441     return _focused_window == this && IsWidgetFocused(widget_index);
    00442   }
    00443
    00449   inline void SetWidgetLoweredState(byte widget_index, bool lowered_stat)
    00450   {
    00451     assert(widget_index < this->nested_array_size);
    00452     this->GetWidget<NWidgetCore>(widget_index)->SetLowered(lowered_stat);
    00453   }
    00454
    00459   inline void ToggleWidgetLoweredState(byte widget_index)
    00460   {
    00461     assert(widget_index < this->nested_array_size);
    00462     bool lowered_state = this->GetWidget<NWidgetCore>(widget_index)->IsLowered();
    00463     this->GetWidget<NWidgetCore>(widget_index)->SetLowered(!lowered_state);
    00464   }
    00465
    00470   inline void LowerWidget(byte widget_index)
    00471   {
    00472     SetWidgetLoweredState(widget_index, true);
    00473   }
    00474
    00479   inline void RaiseWidget(byte widget_index)
    00480   {
    00481     SetWidgetLoweredState(widget_index, false);
    00482   }
    00483
    00489   inline bool IsWidgetLowered(byte widget_index) const
    00490   {
    00491     assert(widget_index < this->nested_array_size);
    00492     return this->GetWidget<NWidgetCore>(widget_index)->IsLowered();
    00493   }
    00494
    00495   void UnfocusFocusedWidget();
    00496   bool SetFocusedWidget(int widget_index);
    00497
    00498   EventState HandleEditBoxKey(int wid, WChar key, uint16 keycode);
    00499   virtual void InsertTextString(int wid, const char *str, bool marked, const char *caret, const char *insert_location, const char *replacement_end);
    00500
    00501   void HandleButtonClick(byte widget);
    00502   int GetRowFromWidget(int clickpos, int widget, int padding, int line_height = -1) const;
    00503
    00504   void RaiseButtons(bool autoraise = false);
    00505   void CDECL SetWidgetsDisabledState(bool disab_stat, int widgets, ...);
    00506   void CDECL SetWidgetsLoweredState(bool lowered_stat, int widgets, ...);
    00507   void SetWidgetDirty(byte widget_index) const;
    00508
    00509   void DrawWidgets() const;
    00510   void DrawViewport() const;
    00511   void DrawSortButtonState(int widget, SortButtonState state) const;
    00512
    00513   void DeleteChildWindows(WindowClass wc = WC_INVALID) const;
    00514
    00515   void SetDirty() const;
    00516   void ReInit(int rx = 0, int ry = 0);
    00517
    00519   inline bool IsShaded() const
    00520   {
    00521     return this->shade_select != NULL && this->shade_select->shown_plane == SZSP_HORIZONTAL;
    00522   }
    00523
    00524   void SetShaded(bool make_shaded);
    00525
    00526   void InvalidateData(int data = 0, bool gui_scope = true);
    00527   void ProcessScheduledInvalidations();
    00528   void ProcessHighlightedInvalidations();
    00529
    00530   /*** Event handling ***/
    00531
    00536   virtual void OnInit() { }
    00537
    00538   virtual void ApplyDefaults();
    00539
    00547   virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number);
    00548
    00553   virtual void OnPaint()
    00554   {
    00555     this->DrawWidgets();
    00556   }
    00557
    00564   virtual void DrawWidget(const Rect &r, int widget) const {}
    00565
    00578   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) {}
    00579
    00586   virtual void SetStringParameters(int widget) const {}
    00587
    00591   virtual void OnFocus() {}
    00592
    00593   virtual void OnFocusLost();
    00594
    00602   virtual EventState OnKeyPress(WChar key, uint16 keycode) { return ES_NOT_HANDLED; }
    00603
    00604   virtual EventState OnHotkey(int hotkey);
    00605
    00611   virtual EventState OnCTRLStateChange() { return ES_NOT_HANDLED; }
    00612
    00613
    00620   virtual void OnClick(Point pt, int widget, int click_count) {}
    00621
    00629   virtual bool OnRightClick(Point pt, int widget) { return false; }
    00630
    00636   virtual void OnHover(Point pt, int widget) {}
    00637
    00643   virtual void OnMouseDrag(Point pt, int widget) {}
    00644
    00650   virtual void OnDragDrop(Point pt, int widget) {}
    00651
    00656   virtual void OnScroll(Point delta) {}
    00657
    00664   virtual void OnMouseOver(Point pt, int widget) {}
    00665
    00670   virtual void OnMouseWheel(int wheel) {}
    00671
    00672
    00676   virtual void OnMouseLoop() {}
    00677
    00681   virtual void OnTick() {}
    00682
    00686   virtual void OnHundredthTick() {}
    00687
    00691   virtual void OnTimeout() {}
    00692
    00693
    00698   virtual void OnResize() {}
    00699
    00705   virtual void OnDropdownSelect(int widget, int index) {}
    00706
    00707   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close);
    00708
    00713   virtual void OnEditboxChanged(int widget) {}
    00714
    00721   virtual void OnQueryTextFinished(char *str) {}
    00722
    00728   virtual void OnInvalidateData(int data = 0, bool gui_scope = true) {}
    00729
    00736   virtual void OnPlaceObject(Point pt, TileIndex tile) {}
    00737
    00743   virtual bool OnVehicleSelect(const struct Vehicle *v) { return false; }
    00744
    00748   virtual void OnPlaceObjectAbort() {}
    00749
    00750
    00758   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt) {}
    00759
    00769   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile) {}
    00770
    00778   virtual void OnPlacePresize(Point pt, TileIndex tile) {}
    00779
    00780   /*** End of the event handling ***/
    00781
    00786   virtual bool IsNewGRFInspectable() const { return false; }
    00787
    00794   virtual void ShowNewGRFInspectWindow() const { NOT_REACHED(); }
    00795 };
    00796
    00803 template <class NWID>
    00804 inline NWID *Window::GetWidget(uint widnum)
    00805 {
    00806   if (widnum >= this->nested_array_size || this->nested_array[widnum] == NULL) return NULL;
    00807   NWID *nwid = dynamic_cast<NWID *>(this->nested_array[widnum]);
    00808   assert(nwid != NULL);
    00809   return nwid;
    00810 }
    00811
    00813 template <>
    00814 inline const NWidgetBase *Window::GetWidget<NWidgetBase>(uint widnum) const
    00815 {
    00816   if (widnum >= this->nested_array_size) return NULL;
    00817   return this->nested_array[widnum];
    00818 }
    00819
    00826 template <class NWID>
    00827 inline const NWID *Window::GetWidget(uint widnum) const
    00828 {
    00829   return const_cast<Window *>(this)->GetWidget<NWID>(widnum);
    00830 }
    00831
    00832
    00836 class PickerWindowBase : public Window {
    00837
    00838 public:
    00839   PickerWindowBase(WindowDesc *desc, Window *parent) : Window(desc)
    00840   {
    00841     this->parent = parent;
    00842   }
    00843
    00844   virtual ~PickerWindowBase();
    00845 };
    00846
    00847 Window *BringWindowToFrontById(WindowClass cls, WindowNumber number);
    00848 Window *FindWindowFromPt(int x, int y);
    00849
    00856 template <typename Wcls>
    00857 Wcls *AllocateWindowDescFront(WindowDesc *desc, int window_number)
    00858 {
    00859   if (BringWindowToFrontById(desc->cls, window_number)) return NULL;
    00860   return new Wcls(desc, window_number);
    00861 }
    00862
    00863 void RelocateAllWindows(int neww, int newh);
    00864
    00865 /* misc_gui.cpp */
    00866 enum TooltipCloseCondition {
    00867   TCC_RIGHT_CLICK,
    00868   TCC_LEFT_CLICK,
    00869   TCC_HOVER,
    00870 };
    00871
    00872 void GuiShowTooltips(Window *parent, StringID str, uint paramcount = 0, const uint64 params[] = NULL, TooltipCloseCondition close_tooltip = TCC_HOVER);
    00873
    00874 /* widget.cpp */
    00875 int GetWidgetFromPos(const Window *w, int x, int y);
    00876
    00878 #define FOR_ALL_WINDOWS_FROM_BACK_FROM(w, start)  for (w = start; w != NULL; w = w->z_front) if (w->window_class != WC_INVALID)
    00879 #define FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, start) for (w = start; w != NULL; w = w->z_back) if (w->window_class != WC_INVALID)
    00880 #define FOR_ALL_WINDOWS_FROM_BACK(w)  FOR_ALL_WINDOWS_FROM_BACK_FROM(w, _z_back_window)
    00881 #define FOR_ALL_WINDOWS_FROM_FRONT(w) FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, _z_front_window)
    00882
    00883 extern Point _cursorpos_drag_start;
    00884
    00885 extern int _scrollbar_start_pos;
    00886 extern int _scrollbar_size;
    00887 extern byte _scroller_click_timeout;
    00888
    00889 extern bool _scrolling_viewport;
    00890 extern bool _mouse_hovering;
    00891
    00893 enum SpecialMouseMode {
    00894   WSM_NONE,
    00895   WSM_DRAGDROP,
    00896   WSM_SIZING,
    00897   WSM_PRESIZE,
    00898 };
    00899 extern SpecialMouseMode _special_mouse_mode;
    00900
    00901 void SetFocusedWindow(Window *w);
    00902
    00903 void ScrollbarClickHandler(Window *w, NWidgetCore *nw, int x, int y);
    00904
    00905 #endif /* WINDOW_GUI_H */