/*
- Copyright (C) 2011 Paul Davis
+ Copyright (C) 2011 Paul Davis
- This program 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; either version 2 of the License, or
- (at your option) any later version.
+ This program 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; either version 2 of the License, or
+ (at your option) any later version.
- This program 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. See the
- GNU General Public License for more details.
+ This program 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. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cairomm/cairomm.h>
#include <gtkmm.h>
-class CairoCell
+class CairoCell
{
- public:
- CairoCell();
- virtual ~CairoCell() {}
-
- virtual void render (Cairo::RefPtr<Cairo::Context>&) = 0;
-
- double x() const { return bbox.x; }
- double y() const { return bbox.y; }
- double width() const { return bbox.width; }
- double height() const { return bbox.height; }
-
- void set_position (double x, double y) {
- bbox.x = x;
- bbox.y = y;
- }
-
- bool intersects (GdkRectangle& r) const {
- return gdk_rectangle_intersect (&r, &bbox, 0);
- }
-
- bool covers (double x, double y) const {
- return bbox.x <= x && bbox.x + bbox.width > x &&
- bbox.y <= y && bbox.y + bbox.height > y;
- }
-
- double xpad() const { return _xpad; }
- void set_xpad (double x) { _xpad = x; }
-
- void set_visible (bool yn) { _visible = yn; }
- bool visible() const { return _visible; }
- virtual void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&) {}
-
- protected:
- GdkRectangle bbox;
- bool _visible;
- uint32_t _xpad;
+public:
+ CairoCell();
+ virtual ~CairoCell() {}
+
+ virtual void render (Cairo::RefPtr<Cairo::Context>&) = 0;
+
+ double x() const { return bbox.x; }
+ double y() const { return bbox.y; }
+ double width() const { return bbox.width; }
+ double height() const { return bbox.height; }
+
+ void set_position (double x, double y) {
+ bbox.x = x;
+ bbox.y = y;
+ }
+
+ bool intersects (GdkRectangle& r) const {
+ return gdk_rectangle_intersect (&r, &bbox, 0);
+ }
+
+ bool covers (double x, double y) const {
+ return bbox.x <= x && bbox.x + bbox.width > x &&
+ bbox.y <= y && bbox.y + bbox.height > y;
+ }
+
+ double xpad() const { return _xpad; }
+ void set_xpad (double x) { _xpad = x; }
+
+ void set_visible (bool yn) { _visible = yn; }
+ bool visible() const { return _visible; }
+
virtual void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&) {}
+
+protected:
+ GdkRectangle bbox;
+ bool _visible;
+ uint32_t _xpad;
};
-class CairoBarCell : public CairoCell
+class CairoBarCell : public CairoCell
{
- public:
- CairoBarCell() {};
-
- void render (Cairo::RefPtr<Cairo::Context>& context) {
- context->move_to (bbox.x, bbox.y);
- context->set_line_width (bbox.width);
- context->rel_line_to (0, bbox.height);
- context->stroke ();
- }
-
- void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font) {
- Pango::FontMetrics metrics = context->get_metrics (font);
- bbox.width = 2;
- bbox.height = (metrics.get_ascent() + metrics.get_descent()) / PANGO_SCALE;
- }
-
- private:
+public:
+ CairoBarCell() {};
+
+ void render (Cairo::RefPtr<Cairo::Context>& context) {
+ context->move_to (bbox.x, bbox.y);
+ context->set_line_width (bbox.width);
+ context->rel_line_to (0, bbox.height);
+ context->stroke ();
+ }
+
+
void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font) {
+ Pango::FontMetrics metrics = context->get_metrics (font);
+ bbox.width = 2;
+ bbox.height = (metrics.get_ascent() + metrics.get_descent()) / PANGO_SCALE;
+ }
+
+private:
};
-class CairoColonCell : public CairoCell
+class CairoColonCell : public CairoCell
{
- public:
- CairoColonCell() {};
-
- void render (Cairo::RefPtr<Cairo::Context>& context) {
- /* two very small circles, at 1/3 and 2/3 of the height */
- context->arc (bbox.x, bbox.y + (bbox.height/3.0), 1.5, 0.0, M_PI*2.0);
- context->fill ();
- context->arc (bbox.x, bbox.y + (2.0 * bbox.height/3.0), 1.5, 0.0, M_PI*2.0);
- context->fill ();
- }
-
- void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font) {
- Pango::FontMetrics metrics = context->get_metrics (font);
- bbox.width = 3.0;
- bbox.height = (metrics.get_ascent() + metrics.get_descent()) / PANGO_SCALE;
- }
-
- private:
+public:
+ CairoColonCell() {};
+
+ void render (Cairo::RefPtr<Cairo::Context>& context) {
+ /* two very small circles, at 1/3 and 2/3 of the height */
+ context->arc (bbox.x, bbox.y + (bbox.height/3.0), 1.5, 0.0, M_PI*2.0);
+ context->fill ();
+ context->arc (bbox.x, bbox.y + (2.0 * bbox.height/3.0), 1.5, 0.0, M_PI*2.0);
+ context->fill ();
+ }
+
+
void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font) {
+ Pango::FontMetrics metrics = context->get_metrics (font);
+ bbox.width = 3.0;
+ bbox.height = (metrics.get_ascent() + metrics.get_descent()) / PANGO_SCALE;
+ }
+
+private:
};
class CairoTextCell : public CairoCell
{
- public:
- CairoTextCell (uint32_t width_chars);
+public:
+ CairoTextCell (uint32_t width_chars);
- void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&);
+
void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&);
- void set_text (const std::string& txt) {
- layout->set_text (txt);
- }
- std::string get_text() const {
- return layout->get_text ();
- }
- uint32_t width_chars() const { return _width_chars; }
+ void set_text (const std::string& txt) {
+ layout->set_text (txt);
+ }
+ std::string get_text() const {
+ return layout->get_text ();
+ }
+ uint32_t width_chars() const { return _width_chars; }
- void render (Cairo::RefPtr<Cairo::Context>&);
+ void render (Cairo::RefPtr<Cairo::Context>&);
- protected:
- uint32_t _width_chars;
- Glib::RefPtr<Pango::Layout> layout;
+protected:
+ uint32_t _width_chars;
+
Glib::RefPtr<Pango::Layout> layout;
};
class CairoEditableText : public Gtk::Misc
{
- public:
- CairoEditableText ();
-
- void add_cell (uint32_t id, CairoCell*);
- CairoCell* get_cell (uint32_t id);
-
- void set_text (uint32_t id, const std::string& text);
-
- void set_colors (double cr, double cg, double cb, double ca) {
- r = cr;
- g = cg;
- b = cb;
- a = ca;
- queue_draw ();
- }
-
- void set_edit_colors (double cr, double cg, double cb, double ca) {
- edit_r = cr;
- edit_g = cg;
- edit_b = cb;
- edit_a = ca;
- queue_draw ();
- }
-
- void set_bg (double r, double g, double b, double a) {
- bg_r = r;
- bg_g = g;
- bg_b = b;
- bg_a = a;
- }
-
- bool on_expose_event (GdkEventExpose*);
- bool on_key_press_event (GdkEventKey*);
- bool on_key_release_event (GdkEventKey*);
- bool on_button_press_event (GdkEventButton*);
- bool on_button_release_event (GdkEventButton*);
- void on_size_request (GtkRequisition*);
- void on_size_allocate (Gtk::Allocation&);
- bool on_focus_in_event (GdkEventFocus*);
- bool on_focus_out_event (GdkEventFocus*);
-
- void set_font (const std::string& str) {
- font = Pango::FontDescription (str);
- }
-
- private:
- typedef std::map<uint32_t,CairoCell*> CellMap;
-
- CellMap cells;
- Pango::FontDescription font;
- uint32_t editing_id;
- uint32_t editing_pos;
- double width;
- double max_cell_height;
- double height;
- double corner_radius;
- double xpad;
- double ypad;
- double r;
- double g;
- double b;
- double a;
- double edit_r;
- double edit_g;
- double edit_b;
- double edit_a;
- double bg_r;
- double bg_g;
- double bg_b;
- double bg_a;
-
-
- CairoCell* find_cell (uint32_t x, uint32_t y, uint32_t& cell_id);
- void edit_next_cell ();
- void queue_draw_cell (CairoCell* target);
- void set_text (CairoTextCell* cell, const std::string&);
+public:
+ CairoEditableText ();
+
+ void add_cell (uint32_t id, CairoCell*);
+ CairoCell* get_cell (uint32_t id);
+
+ void set_text (uint32_t id, const std::string& text);
+
+ void set_colors (double cr, double cg, double cb, double ca) {
+ r = cr;
+ g = cg;
+ b = cb;
+ a = ca;
+ queue_draw ();
+ }
+
+ void set_edit_colors (double cr, double cg, double cb, double ca) {
+ edit_r = cr;
+ edit_g = cg;
+ edit_b = cb;
+ edit_a = ca;
+ queue_draw ();
+ }
+
+ void set_bg (double r, double g, double b, double a) {
+ bg_r = r;
+ bg_g = g;
+ bg_b = b;
+ bg_a = a;
+ }
+
+ bool on_expose_event (GdkEventExpose*);
+ bool on_key_press_event (GdkEventKey*);
+ bool on_key_release_event (GdkEventKey*);
+ bool on_button_press_event (GdkEventButton*);
+ bool on_button_release_event (GdkEventButton*);
+ void on_size_request (GtkRequisition*);
+ void on_size_allocate (Gtk::Allocation&);
+ bool on_focus_in_event (GdkEventFocus*);
+ bool on_focus_out_event (GdkEventFocus*);
+
+ void set_font (const std::string& str) {
+ font = Pango::FontDescription (str);
+ }
+
+private:
+ typedef std::map<uint32_t,CairoCell*> CellMap;
+
+ CellMap cells;
+ Pango::FontDescription font;
+ uint32_t editing_id;
+ uint32_t editing_pos;
+ double width;
+ double max_cell_height;
+ double height;
+ double corner_radius;
+ double xpad;
+ double ypad;
+ double r;
+ double g;
+ double b;
+ double a;
+ double edit_r;
+ double edit_g;
+ double edit_b;
+ double edit_a;
+ double bg_r;
+ double bg_g;
+ double bg_b;
+ double bg_a;
+
+
+ CairoCell* find_cell (uint32_t x, uint32_t y, uint32_t& cell_id);
+ void edit_next_cell ();
+ void queue_draw_cell (CairoCell* target);
+ void set_text (CairoTextCell* cell, const std::string&);
};
#endif /* __libgtmm2ext_cairocell_h__ */
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