diff options
Diffstat (limited to 'src/window_gui.h')
| -rw-r--r-- | src/window_gui.h | 64 |
1 files changed, 58 insertions, 6 deletions
diff --git a/src/window_gui.h b/src/window_gui.h index abf10c237..7f7b3aad1 100644 --- a/src/window_gui.h +++ b/src/window_gui.h @@ -59,6 +59,8 @@ enum WindowDefaultFlag { WDF_STICKY_BUTTON = 1 << 5, ///< Set window to sticky mode; they are not closed unless closed with 'X' (widget 2) WDF_RESIZABLE = 1 << 6, ///< Window can be resized WDF_MODAL = 1 << 7, ///< The window is a modal child of some other window, meaning the parent is 'inactive' + + WDF_NO_FOCUS = 1 << 8, ///< This window won't get focus/make any other window lose focus when click }; /** @@ -154,6 +156,7 @@ public: Widget *widget; ///< Widgets of the window uint widget_count; ///< Number of widgets of the window uint32 desc_flags; ///< Window/widgets default flags setting, @see WindowDefaultFlag + const Widget *focused_widget; ///< Currently focused widget or NULL, if no widget has focus Window *parent; ///< Parent window Window *z_front; ///< The window in front of us in z-order @@ -169,6 +172,9 @@ public: void HideWidget(byte widget_index); void ShowWidget(byte widget_index); bool IsWidgetHidden(byte widget_index) const; + void SetFocusedWidget(byte widget_index); + bool IsWidgetGloballyFocused(byte widget_index) const; + bool IsWidgetFocused(byte widget_index) const; void SetWidgetLoweredState(byte widget_index, bool lowered_stat); void ToggleWidgetLoweredState(byte widget_index); void LowerWidget(byte widget_index); @@ -176,6 +182,7 @@ public: bool IsWidgetLowered(byte widget_index) const; void AlignWidgetRight(byte widget_index_a, byte widget_index_b); int GetWidgetWidth(byte widget_index) const; + bool HasWidgetOfType(WidgetType widget_type) const; void RaiseButtons(); void CDECL SetWidgetsDisabledState(bool disab_stat, int widgets, ...); @@ -198,6 +205,15 @@ public: */ virtual void OnPaint() {} + /** + * Called when window gains focus + */ + virtual void OnFocus() {} + + /** + * Called when window looses focus + */ + virtual void OnFocusLost() {} /** * A key has been pressed. @@ -423,6 +439,7 @@ int GetWidgetFromPos(const Window *w, int x, int y); /* window.cpp */ extern Window *_z_front_window; extern Window *_z_back_window; +extern Window *_focused_window; /** Iterate over all windows */ #define FOR_ALL_WINDOWS_FROM_BACK_FROM(w, start) for (w = start; w != NULL; w = w->z_front) if (w->window_class != WC_INVALID) @@ -430,12 +447,6 @@ extern Window *_z_back_window; #define FOR_ALL_WINDOWS_FROM_BACK(w) FOR_ALL_WINDOWS_FROM_BACK_FROM(w, _z_back_window) #define FOR_ALL_WINDOWS_FROM_FRONT(w) FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, _z_front_window) -/** - * Disable scrolling of the main viewport when an input-window is active. - * This contains the count of windows with a textbox in them. - */ -extern byte _no_scroll; - extern Point _cursorpos_drag_start; extern int _scrollbar_start_pos; @@ -455,6 +466,10 @@ enum SpecialMouseMode { Window *GetCallbackWnd(); +void SetFocusedWindow(Window *w); +const Widget *GetGloballyFocusedWidget(); +bool EditBoxInGlobalFocus(); + void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y); void ResizeButtons(Window *w, byte left, byte right); @@ -550,6 +565,43 @@ inline bool Window::IsWidgetHidden(byte widget_index) const return HasBit(this->widget[widget_index].display_flags, WIDG_HIDDEN); } + /** + * Set focus within this window to given widget. The function however don't + * change which window that has focus. + * @param widget_index : index of the widget in the window to set focus to + */ +inline void Window::SetFocusedWidget(byte widget_index) +{ + if (widget_index < this->widget_count) { + /* Repaint the widget that loss focus. A focused edit box may else leave the caret left on the screen */ + if (this->focused_widget && this->focused_widget - this->widget != widget_index) { + this->InvalidateWidget(this->focused_widget - this->widget); + } + this->focused_widget = &this->widget[widget_index]; + } +} + +/** + * Check if given widget has user input focus. This means that both the window + * has focus and that the given widget has focus within the window. + * @param widget_index : index of the widget in the window to check + * @return true if given widget is the focused window in this window and this window has focus + */ +inline bool Window::IsWidgetGloballyFocused(byte widget_index) const +{ + return _focused_window == this && IsWidgetFocused(widget_index); +} + +/** + * Check if given widget is focused within this window + * @param widget_index : index of the widget in the window to check + * @return true if given widget is the focused window in this window + */ +inline bool Window::IsWidgetFocused(byte widget_index) const +{ + return this->focused_widget == &this->widget[widget_index]; +} + /** * Sets the lowered/raised status of a widget. * @param widget_index index of this widget in the window |