diff options
Diffstat (limited to 'src/gui/piePreview.vala')
| -rw-r--r-- | src/gui/piePreview.vala | 198 |
1 files changed, 95 insertions, 103 deletions
diff --git a/src/gui/piePreview.vala b/src/gui/piePreview.vala index 3ddf6c8..0420d5e 100644 --- a/src/gui/piePreview.vala +++ b/src/gui/piePreview.vala @@ -1,4 +1,4 @@ -/* +/* Copyright (c) 2011 by Simon Schneegans This program is free software: you can redistribute it and/or modify it @@ -12,12 +12,12 @@ 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, see <http://www.gnu.org/licenses/>. +this program. If not, see <http://www.gnu.org/licenses/>. */ namespace GnomePie { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// A custom widget displaying the preview of a Pie. It can be used to /// configure the displayed Pie in various aspects. ///////////////////////////////////////////////////////////////////////// @@ -31,42 +31,42 @@ class PiePreview : Gtk.DrawingArea { public signal void on_last_slice_removed(); public signal void on_first_slice_added(); - + ///////////////////////////////////////////////////////////////////// /// The internally used renderer to draw the Pie. ///////////////////////////////////////////////////////////////////// private PiePreviewRenderer renderer = null; - + ///////////////////////////////////////////////////////////////////// /// The window which pops up, when a Slice is added or edited. ///////////////////////////////////////////////////////////////////// - + private NewSliceWindow? new_slice_window = null; - + ///////////////////////////////////////////////////////////////////// /// A timer used for calculating the frame time. ///////////////////////////////////////////////////////////////////// - + private GLib.Timer timer; - + ///////////////////////////////////////////////////////////////////// /// True, when it is possible to drag a slice from this widget. /// False, when the user currently hovers over the add sign. ///////////////////////////////////////////////////////////////////// - + private bool drag_enabled = false; - + ///////////////////////////////////////////////////////////////////// /// The ID of the currently displayed Pie. ///////////////////////////////////////////////////////////////////// - + private string current_id = ""; - + ///////////////////////////////////////////////////////////////////// /// The position from where a Slice-drag started. ///////////////////////////////////////////////////////////////////// - + private int drag_start_index = -1; private string drag_start_id = ""; @@ -75,50 +75,45 @@ class PiePreview : Gtk.DrawingArea { ///////////////////////////////////////////////////////////////////// public PiePreview() { - this.renderer = new PiePreviewRenderer(); - - #if HAVE_GTK_3 - this.draw.connect(this.on_draw); - #else - this.expose_event.connect(this.on_draw); - #endif - + this.renderer = new PiePreviewRenderer(this); + + this.draw.connect(this.on_draw); this.timer = new GLib.Timer(); - this.set_events(Gdk.EventMask.POINTER_MOTION_MASK + this.set_events(Gdk.EventMask.POINTER_MOTION_MASK | Gdk.EventMask.LEAVE_NOTIFY_MASK | Gdk.EventMask.ENTER_NOTIFY_MASK); - + // setup drag and drop this.enable_drag_source(); - + Gtk.TargetEntry uri_dest = {"text/uri-list", 0, 0}; Gtk.TargetEntry slice_dest = {"text/plain", Gtk.TargetFlags.SAME_WIDGET, 0}; Gtk.TargetEntry[] destinations = { uri_dest, slice_dest }; Gtk.drag_dest_set(this, Gtk.DestDefaults.ALL, destinations, Gdk.DragAction.COPY | Gdk.DragAction.MOVE | Gdk.DragAction.LINK); - + this.drag_begin.connect(this.on_start_drag); this.drag_end.connect(this.on_end_drag); this.drag_data_received.connect(this.on_dnd_received); - + // connect mouse events this.drag_motion.connect(this.on_drag_move); this.leave_notify_event.connect(this.on_mouse_leave); - this.enter_notify_event.connect(this.on_mouse_enter); + this.enter_notify_event.connect(this.on_mouse_enter); this.motion_notify_event.connect_after(this.on_mouse_move); this.button_release_event.connect_after(this.on_button_release); this.button_press_event.connect_after(this.on_button_press); - + this.new_slice_window = new NewSliceWindow(); this.new_slice_window.on_select.connect((new_action, as_new_slice, at_position) => { var pie = PieManager.all_pies[this.current_id]; - + if (new_action.has_quickaction()) renderer.disable_quickactions(); - + if (as_new_slice) { pie.add_group(new_action, at_position+1); this.renderer.add_group(new_action, at_position+1); - + if (this.renderer.slice_count() == 1) this.on_first_slice_added(); } else { @@ -126,72 +121,74 @@ class PiePreview : Gtk.DrawingArea { this.renderer.update_group(new_action, at_position); } }); - + this.renderer.on_edit_slice.connect((pos) => { this.new_slice_window.reload(); - + this.new_slice_window.set_parent(this.get_toplevel() as Gtk.Window); this.new_slice_window.show(); - + var pie = PieManager.all_pies[this.current_id]; this.new_slice_window.set_action(pie.action_groups[pos], pos); }); - + this.renderer.on_add_slice.connect((pos) => { this.new_slice_window.reload(); - + this.new_slice_window.set_parent(this.get_toplevel() as Gtk.Window); this.new_slice_window.show(); - + this.new_slice_window.set_default(this.current_id, pos); }); - + this.renderer.on_remove_slice.connect((pos) => { - + var dialog = new Gtk.MessageDialog(this.get_toplevel() as Gtk.Window, Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.YES_NO, _("Do you really want to delete this Slice?")); - + dialog.response.connect((response) => { if (response == Gtk.ResponseType.YES) { var pie = PieManager.all_pies[this.current_id]; - + pie.remove_group(pos); this.renderer.remove_group(pos); - + if (this.renderer.slice_count() == 0) this.on_last_slice_removed(); } }); - + dialog.run(); dialog.destroy(); }); } - + ///////////////////////////////////////////////////////////////////// /// Sets the currently displayed Pie to the Pie with the given ID. ///////////////////////////////////////////////////////////////////// - + public void set_pie(string id) { + var style = this.get_style_context(); + this.current_id = id; - this.modify_bg(Gtk.StateType.NORMAL, Gtk.rc_get_style(this).light[Gtk.StateType.NORMAL]); + this.override_background_color(Gtk.StateFlags.NORMAL, style.get_background_color(Gtk.StateFlags.NORMAL)); this.renderer.load_pie(PieManager.all_pies[id]); - + if (id == this.drag_start_id) { this.renderer.hide_group(this.drag_start_index); } } - + ///////////////////////////////////////////////////////////////////// /// Begins the draw loop. It automatically ends, when the containing /// window becomes invisible. ///////////////////////////////////////////////////////////////////// - + public void draw_loop() { this.timer.start(); this.queue_draw(); - + GLib.Timeout.add((uint)(1000.0/Config.global.refresh_rate), () => { this.queue_draw(); return this.get_toplevel().visible; @@ -201,97 +198,92 @@ class PiePreview : Gtk.DrawingArea { ///////////////////////////////////////////////////////////////////// /// Called every frame. ///////////////////////////////////////////////////////////////////// - - #if HAVE_GTK_3 - private bool on_draw(Cairo.Context ctx) { - #else - private bool on_draw(Gtk.Widget da, Gdk.EventExpose event) { - var ctx = Gdk.cairo_create(this.get_window()); - #endif + + private bool on_draw(Cairo.Context ctx) { // store the frame time double frame_time = this.timer.elapsed(); this.timer.reset(); - + Gtk.Allocation allocation; this.get_allocation(out allocation); - + ctx.translate((int)(allocation.width*0.5), (int)(allocation.height*0.5)); - + this.renderer.draw(frame_time, ctx); - + return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse leaves the area of this widget. ///////////////////////////////////////////////////////////////////// - + public bool on_mouse_leave(Gdk.EventCrossing event) { this.renderer.on_mouse_leave(); return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse enters the area of this widget. ///////////////////////////////////////////////////////////////////// - + public bool on_mouse_enter(Gdk.EventCrossing event) { this.renderer.on_mouse_enter(); return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse moves in the area of this widget. ///////////////////////////////////////////////////////////////////// - + private bool on_mouse_move(Gdk.EventMotion event) { this.renderer.set_dnd_mode(false); Gtk.Allocation allocation; this.get_allocation(out allocation); this.renderer.on_mouse_move(event.x-allocation.width*0.5, event.y-allocation.height*0.5); - + if (this.renderer.get_active_slice() < 0) this.disable_drag_source(); else this.enable_drag_source(); - + return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when a mouse button is pressed. ///////////////////////////////////////////////////////////////////// - + private bool on_button_press() { this.renderer.on_button_press(); return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when a mouse button is released. ///////////////////////////////////////////////////////////////////// - + private bool on_button_release() { - if (!this.renderer.drag_n_drop_mode) + if (!this.renderer.drag_n_drop_mode) this.renderer.on_button_release(); return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when the mouse is moved over this widget. ///////////////////////////////////////////////////////////////////// - + private bool on_drag_move(Gdk.DragContext ctx, int x, int y, uint time) { this.renderer.set_dnd_mode(true); Gtk.Allocation allocation; this.get_allocation(out allocation); this.renderer.on_mouse_move(x-allocation.width*0.5, y-allocation.height*0.5); - + return true; } - + ///////////////////////////////////////////////////////////////////// /// Called when the user tries to drag something from this widget. ///////////////////////////////////////////////////////////////////// - + private void on_start_drag(Gdk.DragContext ctx) { this.drag_start_index = this.renderer.get_active_slice(); this.drag_start_id = this.current_id; @@ -300,19 +292,19 @@ class PiePreview : Gtk.DrawingArea { this.renderer.hide_group(this.drag_start_index); Gtk.drag_set_icon_pixbuf(ctx, pixbuf, icon.size()/2, icon.size()/2); - + this.renderer.set_dnd_mode(true); } - + ///////////////////////////////////////////////////////////////////// /// Called when the user finishes a drag operation on this widget. /// Only used for Slice-movement. ///////////////////////////////////////////////////////////////////// - + private void on_end_drag(Gdk.DragContext context) { - + if (context.list_targets() != null) { - + int target_index = this.renderer.get_active_slice(); this.renderer.set_dnd_mode(false); @@ -328,48 +320,48 @@ class PiePreview : Gtk.DrawingArea { var dst_pie = PieManager.all_pies[this.current_id]; dst_pie.add_group(src_pie.action_groups[this.drag_start_index], target_index); this.renderer.add_group(dst_pie.action_groups[target_index], target_index); - + if (this.renderer.slices.size == 1) this.on_first_slice_added(); - + if ((context.get_actions() & Gdk.DragAction.COPY) == 0) src_pie.remove_group(this.drag_start_index); } - - + + } }); - + this.drag_start_index = -1; this.drag_start_id = ""; - } + } } - + ///////////////////////////////////////////////////////////////////// /// Called when the user finishes a drag operation on this widget. /// Only used for external drags. ///////////////////////////////////////////////////////////////////// - - private void on_dnd_received(Gdk.DragContext context, int x, int y, + + private void on_dnd_received(Gdk.DragContext context, int x, int y, Gtk.SelectionData selection_data, uint info, uint time_) { - + var pie = PieManager.all_pies[this.current_id]; int position = this.renderer.get_active_slice(); this.renderer.set_dnd_mode(false); - + foreach (var uri in selection_data.get_uris()) { pie.add_action(ActionRegistry.new_for_uri(uri), position); this.renderer.add_group(pie.action_groups[position], position); - + if (this.renderer.slices.size == 1) this.on_first_slice_added(); } } - + ///////////////////////////////////////////////////////////////////// /// Enables this widget to be a source for drag operations. ///////////////////////////////////////////////////////////////////// - + private void enable_drag_source() { if (!this.drag_enabled) { this.drag_enabled = true; @@ -378,18 +370,18 @@ class PiePreview : Gtk.DrawingArea { Gtk.drag_source_set(this, Gdk.ModifierType.BUTTON1_MASK, sources, Gdk.DragAction.MOVE | Gdk.DragAction.COPY); } } - + ///////////////////////////////////////////////////////////////////// /// Disables this widget to be a source for drag operations. - ///////////////////////////////////////////////////////////////////// - + ///////////////////////////////////////////////////////////////////// + private void disable_drag_source() { if (this.drag_enabled) { this.drag_enabled = false; Gtk.drag_source_unset(this); } } - + } } |