diff options
Diffstat (limited to 'src/ui/widget.h')
| -rw-r--r-- | src/ui/widget.h | 100 |
1 files changed, 60 insertions, 40 deletions
diff --git a/src/ui/widget.h b/src/ui/widget.h index 14bea7b..9c7871f 100644 --- a/src/ui/widget.h +++ b/src/ui/widget.h @@ -23,6 +23,8 @@ namespace ui { +class Tooltip; + class Widget { @@ -129,6 +131,11 @@ public: inline const std::string &label() const { return widget_label; } + + /// widget tooltip + inline Tooltip *tooltip() { + return widget_tooltip; + } /// true if this widget will draw a background inline const bool background() const { @@ -220,29 +227,35 @@ public: /// set location of the top-left corner, relative to the parent void set_location(const math::Vector2f &location); - /// set the widgets width and height + /// set the widget's width and height void set_size(const float w, const float h); - /// set the widgets width and height + /// set the widget's width and height void set_size(const math::Vector2f &size); - /// set the widgets width + /// set the widget's width void set_width(const float w); - /// set the widgets height + /// set the widget's height void set_height(const float h); - /// set the widgets palette + /// set the widget's palette void set_palette(const Palette *palette); - /// set the widgets font + /// set the widget's font void set_font(const Font *font); - /// set the widgets label + /// set the widget's label void set_label(const std::string &label); - /// set the widgets label - void set_label(const char *label); + /// set the widget's label + void set_label(const char *label = nullptr); + + /// set the wdiget's tooltip text + void set_tooltip(const std::string &tooltip_text); + + /// set the wdiget's tooltip text + void set_tooltip(const char *tooltip_text = nullptr); /// enable or disable widget border void set_border(const bool border = true); @@ -262,7 +275,7 @@ public: * @brief calls the draw event handler and sends the event to all child widgets * @see draw **/ - void event_draw(); + virtual void event_draw(); /** * @brief calls the key event handlers and sends unhandled keys to the parent widget @@ -303,37 +316,14 @@ public: inline void emit(const Event event, void *data=0) { event_emit(this, event, data); } - -protected: - - /// find the widget that has input focus - virtual Widget *find_input_focus(); - - /// find widget that has mouse focus - /** @param cursor mouse cursor position relative to this widget's location - */ - Widget *find_mouse_focus(const math::Vector2f & cursor); - /// find a visible widget - Widget *find_visible_child(const Widget *widget); - - /// list widget content - size_t list(const size_t indent, const bool visible_only = false) const; - - /// print widget description - virtual void print(const size_t indent) const; - - /// true of this sibling has local focus - inline bool focus() const { - return widget_focus; - } - + /* -- coordinate mapping ----------------------------------- */ /// map local widget location to global location - inline math::Vector2f global_location() { + inline const math::Vector2f global_location() const { math::Vector2f v(widget_location); - Widget *parent = widget_parent; + const Widget *parent = widget_parent; while (parent) { v += parent->location(); parent = parent->parent(); @@ -342,9 +332,9 @@ protected: } /// map local coordinates to global coordinates - inline math::Vector2f to_global_coords(const math::Vector2f &local) { + inline const math::Vector2f to_global_coords(const math::Vector2f &local) const { math::Vector2f v(local); - Widget *parent = widget_parent; + const Widget *parent = widget_parent; do { v += parent->location(); parent = parent->parent(); @@ -353,9 +343,9 @@ protected: } /// map global coordinates to local coordinates - inline math::Vector2f to_local_coords(const math::Vector2f &global) { + inline const math::Vector2f to_local_coords(const math::Vector2f &global) const { math::Vector2f v(global); - Widget *parent = this; + const Widget *parent = this; while (parent) { v -= parent->location(); parent = parent->parent(); @@ -363,6 +353,34 @@ protected: return v; } +protected: + + /// find the widget that has input focus + virtual Widget *find_input_focus(); + + /** + * @brief find the widget in a given location + * Searches the widget's children tree for the leaf widget visible in a given location. + * If no child contains the location, the widget itself is tested. Returns a nullptr ig + * the location is not within the widget's boundries. + * @param location search position, relative to this widget's location + **/ + Widget *find_widget_in_location(const math::Vector2f &location); + + /// find a visible widget + Widget *find_visible_child(const Widget *widget); + + /// list widget content + size_t list(const size_t indent, const bool visible_only = false) const; + + /// print widget description + virtual void print(const size_t indent) const; + + /// true of this sibling has local focus + inline bool focus() const { + return widget_focus; + } + /* -- event handlers --------------------------------------- */ /// called when the mouse receives mouse movement @@ -437,6 +455,8 @@ private: const Palette *widget_palette; const Font *widget_font; Widget *widget_parent; + + Tooltip *widget_tooltip; Children::iterator find_child(Widget *child); |