+/*
+ Copyright (C) 2000-2007 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 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.
+
+*/
+
#include <string>
#include <iostream>
-#include "gtkmm2ext/stateful_button.h"
+
+
+#include <gtkmm/main.h>
+
+#include <gtkmm2ext/stateful_button.h>
using namespace Gtk;
using namespace Glib;
using namespace Gtkmm2ext;
using namespace std;
-StatefulButton::StatefulButton ()
+StateButton::StateButton ()
+ : visual_state (0)
+ , _self_managed (false)
+ , _is_realized (false)
+ , style_changing (false)
+ , state_before_prelight (Gtk::STATE_NORMAL)
+ , is_toggle (false)
{
- current_state = 0;
- have_saved_bg = false;
}
-StatefulButton::StatefulButton (const string& label)
- : Button (label)
+void
+StateButton::set_visual_state (int n)
{
- current_state = 0;
- have_saved_bg = false;
+ if (!_is_realized) {
+ /* not yet realized */
+ visual_state = n;
+ return;
+ }
+
+ if (n == visual_state) {
+ return;
+ }
+
+ string name = get_widget_name ();
+ name = name.substr (0, name.find_last_of ('-'));
+
+ switch (n) {
+ case 0:
+ /* relax */
+ break;
+ case 1:
+ name += "-active";
+ break;
+
+ case 2:
+ name += "-alternate";
+ break;
+
+ case 3:
+ name += "-alternate2";
+ break;
+ }
+
+ set_widget_name (name);
+ visual_state = n;
}
void
-StatefulButton::set_colors (const vector<Gdk::Color>& c)
+StateButton::avoid_prelight_on_style_changed (const Glib::RefPtr<Gtk::Style>& /* old_style */, GtkWidget* widget)
{
- colors = c;
- current_state++; // to force transition
- set_state (current_state - 1);
+ /* don't go into an endless recursive loop if we're changing
+ the style in response to an existing style change.
+ */
+
+ if (style_changing) {
+ return;
+ }
+
+ if (gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT) {
+
+ /* avoid PRELIGHT: make sure that the prelight colors in this new style match
+ the colors of the new style in whatever state we were in
+ before we switched to prelight.
+ */
+
+ GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
+ GtkStyle* style = gtk_widget_get_style (widget);
+
+ rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[state_before_prelight];
+ rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[state_before_prelight];
+ rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
+
+ style_changing = true;
+ g_object_ref (rcstyle);
+ gtk_widget_modify_style (widget, rcstyle);
+
+ Widget* child = get_child_widget();
+ if (child) {
+ gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
+ }
+
+
+ g_object_unref (rcstyle);
+ style_changing = false;
+ }
}
void
-StatefulButton::on_realize ()
+StateButton::avoid_prelight_on_state_changed (Gtk::StateType old_state, GtkWidget* widget)
{
- Button::on_realize ();
+ GtkStateType state = gtk_widget_get_state (widget);
- if (!have_saved_bg) {
- saved_bg = get_style()->get_bg (STATE_NORMAL);
- have_saved_bg = true;
- }
+ if (state == GTK_STATE_PRELIGHT) {
- current_state++; // to force transition
- set_state (current_state - 1);
+ state_before_prelight = old_state;
+
+
+ /* avoid PRELIGHT when currently ACTIVE:
+ if we just went into PRELIGHT, make sure that the colors
+ match those of whatever state we were in before.
+ */
+
+ GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
+ GtkStyle* style = gtk_widget_get_style (widget);
+
+ rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[old_state];
+ rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[old_state];
+ rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
+
+ g_object_ref (rcstyle);
+ gtk_widget_modify_style (widget, rcstyle);
+
+ Widget* child = get_child_widget ();
+
+ if (child) {
+ gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
+ }
+
+ g_object_unref (rcstyle);
+
+ }
+}
+
+/* ----------------------------------------------------------------- */
+
+StatefulToggleButton::StatefulToggleButton ()
+{
+ is_toggle = true;
+}
+
+StatefulToggleButton::StatefulToggleButton (const std::string& label)
+ : ToggleButton (label)
+{
+ is_toggle = true;
}
void
-StatefulButton::set_state (int n)
+StatefulToggleButton::on_realize ()
{
- if (is_realized()) {
+ ToggleButton::on_realize ();
- if (n == current_state) {
- return;
- }
-
- if (n == 0) {
-
- /* back to the default color */
-
- if (have_saved_bg) {
- modify_bg (STATE_NORMAL, saved_bg);
- modify_bg (STATE_ACTIVE, saved_bg);
- modify_bg (STATE_SELECTED, saved_bg);
- modify_bg (STATE_PRELIGHT, saved_bg);
- }
-
+ _is_realized = true;
+ visual_state++; // to force transition
+ set_visual_state (visual_state - 1);
+}
+
+void
+StatefulButton::on_realize ()
+{
+ Button::on_realize ();
+ _is_realized = true;
+ visual_state++; // to force transition
+ set_visual_state (visual_state - 1);
+}
+
+void
+StatefulToggleButton::on_toggled ()
+{
+ if (!_self_managed) {
+ if (get_active()) {
+ set_state (Gtk::STATE_ACTIVE);
} else {
-
- int index = (n-1) % colors.size ();
-
- modify_bg (STATE_NORMAL, colors[index]);
- modify_bg (STATE_ACTIVE, colors[index]);
- modify_bg (STATE_SELECTED, colors[index]);
- modify_bg (STATE_PRELIGHT, colors[index]);
+ set_state (Gtk::STATE_NORMAL);
}
-
- /* leave insensitive alone */
}
+}
+
+
+void
+StatefulToggleButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
+{
+ avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
+ Button::on_style_changed (style);
+}
+
+void
+StatefulToggleButton::on_state_changed (Gtk::StateType old_state)
+{
+ avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
+ Button::on_state_changed (old_state);
+}
+
+Widget*
+StatefulToggleButton::get_child_widget ()
+{
+ return get_child();
+}
+
+void
+StatefulToggleButton::set_widget_name (const std::string& name)
+{
+ set_name (name);
+ Widget* w = get_child();
+
+ if (w) {
+ w->set_name (name);
+ }
+}
+
+/*--------------------------------------------- */
+
+StatefulButton::StatefulButton ()
+{
+}
+
+StatefulButton::StatefulButton (const std::string& label)
+ : Button (label)
+{
+}
+
+void
+StatefulButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
+{
+ avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
+ Button::on_style_changed (style);
+}
+
+void
+StatefulButton::on_state_changed (Gtk::StateType old_state)
+{
+ avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
+ Button::on_state_changed (old_state);
+}
+
+Widget*
+StatefulButton::get_child_widget ()
+{
+ return get_child();
+}
+
+void
+StatefulButton::set_widget_name (const std::string& name)
+{
+ set_name (name);
+ Widget* w = get_child();
- current_state = n;
+ if (w) {
+ w->set_name (name);
+ }
}