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-rw-r--r--src/renderers/pieWindow.vala153
1 files changed, 99 insertions, 54 deletions
diff --git a/src/renderers/pieWindow.vala b/src/renderers/pieWindow.vala
index c4ac2ec..59117df 100644
--- a/src/renderers/pieWindow.vala
+++ b/src/renderers/pieWindow.vala
@@ -19,19 +19,52 @@ using GLib.Math;
namespace GnomePie {
-// An invisible window. Used to draw Pies onto.
+/////////////////////////////////////////////////////////////////////////
+/// An invisible window. Used to draw Pies onto.
+/////////////////////////////////////////////////////////////////////////
public class PieWindow : Gtk.Window {
+
+ /////////////////////////////////////////////////////////////////////
+ /// Signal which gets emitted when the PieWindow is about to close.
+ /////////////////////////////////////////////////////////////////////
public signal void on_closing();
+
+ /////////////////////////////////////////////////////////////////////
+ /// The owned renderer.
+ /////////////////////////////////////////////////////////////////////
private PieRenderer renderer;
+
+ /////////////////////////////////////////////////////////////////////
+ /// True, if the Pie is currently fading out.
+ /////////////////////////////////////////////////////////////////////
+
private bool closing = false;
+
+ /////////////////////////////////////////////////////////////////////
+ /// A timer used for calculating the frame time.
+ /////////////////////////////////////////////////////////////////////
+
private GLib.Timer timer;
+ /////////////////////////////////////////////////////////////////////
+ /// True, if the screen supports compositing.
+ /////////////////////////////////////////////////////////////////////
+
private bool has_compositing = false;
+ /////////////////////////////////////////////////////////////////////
+ /// The background image used for fake transparency if
+ /// has_compositing is false.
+ /////////////////////////////////////////////////////////////////////
+
private Image background = null;
+
+ /////////////////////////////////////////////////////////////////////
+ /// C'tor, sets up the window.
+ /////////////////////////////////////////////////////////////////////
public PieWindow() {
this.renderer = new PieRenderer();
@@ -46,19 +79,27 @@ public class PieWindow : Gtk.Window {
this.icon_name = "gnome-pie";
this.set_accept_focus(false);
+ // check for compositing
if (this.screen.is_composited()) {
this.set_colormap(this.screen.get_rgba_colormap());
this.has_compositing = true;
}
+ // set up event filter
this.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK |
Gdk.EventMask.KEY_RELEASE_MASK |
Gdk.EventMask.KEY_PRESS_MASK |
Gdk.EventMask.POINTER_MOTION_MASK);
+ // activate on left click
this.button_release_event.connect ((e) => {
- if (e.button == 1) this.activate_slice();
- else this.cancel();
+ if (e.button == 1 || this.renderer.turbo_mode) this.activate_slice();
+ return true;
+ });
+
+ // cancel on right click
+ this.button_press_event.connect ((e) => {
+ if (e.button == 3) this.cancel();
return true;
});
@@ -72,32 +113,44 @@ public class PieWindow : Gtk.Window {
return true;
});
+ // activate on key release if turbo_mode is enabled
this.key_release_event.connect((e) => {
last_key = 0;
- if (Config.global.turbo_mode)
+ if (this.renderer.turbo_mode)
this.activate_slice();
else
this.handle_key_release(e.keyval);
return true;
});
+ // notify the renderer of mouse move events
this.motion_notify_event.connect((e) => {
this.renderer.on_mouse_move();
return true;
});
+ // draw the pie on expose
this.expose_event.connect(this.draw);
}
+
+ /////////////////////////////////////////////////////////////////////
+ /// Loads a Pie to be rendered.
+ /////////////////////////////////////////////////////////////////////
public void load_pie(Pie pie) {
this.renderer.load_pie(pie);
this.set_window_position();
- this.set_size_request(renderer.get_size(), renderer.get_size());
+ this.set_size_request(renderer.size, renderer.size);
}
+ /////////////////////////////////////////////////////////////////////
+ /// Opens the window. load_pie should have been called before.
+ /////////////////////////////////////////////////////////////////////
+
public void open() {
this.realize();
+ // capture the background image if there is no compositing
if (!this.has_compositing) {
int x, y, width, height;
this.get_position(out x, out y);
@@ -105,23 +158,31 @@ public class PieWindow : Gtk.Window {
this.background = new Image.capture_screen(x, y, width+1, height+1);
}
+ // capture the input focus
this.show();
- this.fix_focus();
+ FocusGrabber.grab(this);
+ // start the timer
this.timer = new GLib.Timer();
this.timer.start();
this.queue_draw();
+ // the main draw loop
Timeout.add((uint)(1000.0/Config.global.refresh_rate), () => {
this.queue_draw();
return this.visible;
});
}
+
+ /////////////////////////////////////////////////////////////////////
+ /// Draw the Pie.
+ /////////////////////////////////////////////////////////////////////
private bool draw(Gtk.Widget da, Gdk.EventExpose event) {
// clear the window
var ctx = Gdk.cairo_create(this.window);
+ // paint the background image if there is no compositing
if (this.has_compositing) {
ctx.set_operator (Cairo.Operator.CLEAR);
ctx.paint();
@@ -132,59 +193,80 @@ public class PieWindow : Gtk.Window {
ctx.paint();
}
+ // align the context to the center of the PieWindow
ctx.translate(this.width_request*0.5, this.height_request*0.5);
-
+
+ // get the mouse position
double mouse_x = 0.0, mouse_y = 0.0;
this.get_pointer(out mouse_x, out mouse_y);
+ // store the frame time
double frame_time = this.timer.elapsed();
this.timer.reset();
+ // render the Pie
this.renderer.draw(frame_time, ctx, (int)(mouse_x - this.width_request*0.5),
(int)(mouse_y - this.height_request*0.5));
return true;
}
+ /////////////////////////////////////////////////////////////////////
+ /// Activates the currently activate slice.
+ /////////////////////////////////////////////////////////////////////
+
private void activate_slice() {
if (!this.closing) {
this.closing = true;
this.on_closing();
- this.unfix_focus();
+ FocusGrabber.ungrab(this);
this.renderer.activate();
Timeout.add((uint)(Config.global.theme.fade_out_time*1000), () => {
this.destroy();
- //ThemedIcon.clear_cache();
+ ThemedIcon.clear_cache();
return false;
});
}
}
+ /////////////////////////////////////////////////////////////////////
+ /// Activates no slice and closes the PieWindow.
+ /////////////////////////////////////////////////////////////////////
+
private void cancel() {
if (!this.closing) {
this.closing = true;
this.on_closing();
- this.unfix_focus();
+ FocusGrabber.ungrab(this);
this.renderer.cancel();
Timeout.add((uint)(Config.global.theme.fade_out_time*1000), () => {
this.destroy();
- //ThemedIcon.clear_cache();
+ ThemedIcon.clear_cache();
return false;
});
}
}
+ /////////////////////////////////////////////////////////////////////
+ /// Sets the position of the window to the center of the screen or to
+ /// the mouse.
+ /////////////////////////////////////////////////////////////////////
+
private void set_window_position() {
if(Config.global.open_at_mouse) this.set_position(Gtk.WindowPosition.MOUSE);
else this.set_position(Gtk.WindowPosition.CENTER);
}
+ /////////////////////////////////////////////////////////////////////
+ /// Do some useful stuff when keys are pressed.
+ /////////////////////////////////////////////////////////////////////
+
private void handle_key_press(uint key) {
if (Gdk.keyval_name(key) == "Escape") this.cancel();
else if (Gdk.keyval_name(key) == "Return") this.activate_slice();
- else if (!Config.global.turbo_mode) {
+ else if (!this.renderer.turbo_mode) {
if (Gdk.keyval_name(key) == "Up") this.renderer.select_up();
else if (Gdk.keyval_name(key) == "Down") this.renderer.select_down();
else if (Gdk.keyval_name(key) == "Left") this.renderer.select_left();
@@ -212,52 +294,15 @@ public class PieWindow : Gtk.Window {
}
}
+ /////////////////////////////////////////////////////////////////////
+ /// Do some useful stuff when keys are released.
+ /////////////////////////////////////////////////////////////////////
+
private void handle_key_release(uint key) {
- if (!Config.global.turbo_mode) {
+ if (!this.renderer.turbo_mode) {
if (Gdk.keyval_name(key) == "Alt_L") this.renderer.show_hotkeys = false;
}
}
-
- // utilities for grabbing focus
- // Code from Gnome-Do/Synapse
- private void fix_focus() {
- uint32 timestamp = Gtk.get_current_event_time();
- this.present_with_time(timestamp);
- this.get_window().raise();
- this.get_window().focus(timestamp);
-
- int i = 0;
- Timeout.add(100, () => {
- if (++i >= 100) return false;
- return !try_grab_window();
- });
- }
-
- // Code from Gnome-Do/Synapse
- private void unfix_focus() {
- uint32 time = Gtk.get_current_event_time();
- Gdk.pointer_ungrab(time);
- Gdk.keyboard_ungrab(time);
- Gtk.grab_remove(this);
- }
-
- // Code from Gnome-Do/Synapse
- private bool try_grab_window() {
- uint time = Gtk.get_current_event_time();
- if (Gdk.pointer_grab(this.get_window(), true, Gdk.EventMask.BUTTON_PRESS_MASK |
- Gdk.EventMask.BUTTON_RELEASE_MASK | Gdk.EventMask.POINTER_MOTION_MASK,
- null, null, time) == Gdk.GrabStatus.SUCCESS) {
-
- if (Gdk.keyboard_grab(this.get_window(), true, time) == Gdk.GrabStatus.SUCCESS) {
- Gtk.grab_add(this);
- return true;
- } else {
- Gdk.pointer_ungrab(time);
- return false;
- }
- }
- return false;
- }
}
}
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