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Sourcecode: fbreader version File versions

Toolbar.cpp

/*
 * Copyright (C) 2004-2009 Geometer Plus <contact@geometerplus.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include <ZLibrary.h>
#include <ZLPopupData.h>

#include "ZLGtkApplicationWindow.h"

#include "../util/ZLGtkSignalUtil.h"

static const char *menuId = "gtk-tool-button-menu-id";
static const char *menuKey = "gtk-tool-button-menu-key";

static void runMenuItem(GtkImageMenuItem *menuItem, ZLGtkApplicationWindow *data) {
      data->onGtkButtonPress(GTK_TOOL_ITEM(gtk_object_get_data(GTK_OBJECT(menuItem), menuKey)));
}

static bool createMenuProxy(GtkToolItem *toolItem, ZLGtkApplicationWindow *data) {
      GtkToolButton *button = GTK_TOOL_BUTTON(toolItem);

      GtkWidget *menuItem = gtk_image_menu_item_new_with_label(gtk_tool_button_get_label(button));
      gtk_image_menu_item_set_image(
            GTK_IMAGE_MENU_ITEM(menuItem),
            gtk_image_new_from_pixbuf(
                  gtk_image_get_pixbuf(
                        GTK_IMAGE(gtk_tool_button_get_icon_widget(button))
                  )
            )
      );
      gtk_object_set_data(GTK_OBJECT(menuItem), menuKey, toolItem);
      ZLGtkSignalUtil::connectSignal(GTK_OBJECT(menuItem), "activate", GTK_SIGNAL_FUNC(runMenuItem), data);
      gtk_tool_item_set_proxy_menu_item(toolItem, menuId, menuItem);

      return true;
}

ZLGtkApplicationWindow::Toolbar::Toolbar(ZLGtkApplicationWindow *window) : myWindow(window) {
      myGtkToolbar = GTK_TOOLBAR(gtk_toolbar_new());
      gtk_toolbar_set_style(myGtkToolbar, GTK_TOOLBAR_ICONS);
      gtk_toolbar_set_tooltips(myGtkToolbar, true);
}

GtkWidget *ZLGtkApplicationWindow::Toolbar::toolbarWidget() const {
      return GTK_WIDGET(myGtkToolbar);
}

ZLToolbar::AbstractButtonItem &ZLGtkApplicationWindow::Toolbar::buttonItemByWidget(GtkToolItem *gtkButton) {
      return (ZLToolbar::AbstractButtonItem&)*myGtkToAbstract[gtkButton];
}

void ZLGtkApplicationWindow::Toolbar::setToggleButtonState(const ZLToolbar::ToggleButtonItem &button) {
      GtkToggleToolButton *gtkButton =
            GTK_TOGGLE_TOOL_BUTTON(myAbstractToGtk[&(ZLToolbar::Item&)button]);
      const bool isPressed = button.isPressed();
      if (gtk_toggle_tool_button_get_active(gtkButton) != isPressed) {
            gtk_toggle_tool_button_set_active(gtkButton, isPressed);
      }
}

static void onButtonClicked(GtkWidget *button, gpointer data) {
      ((ZLGtkApplicationWindow*)data)->onGtkButtonPress(GTK_TOOL_ITEM(button));
}

GtkToolItem *ZLGtkApplicationWindow::Toolbar::createGtkToolButton(const ZLToolbar::AbstractButtonItem &button) {
      GtkToolItem *gtkItem = 0;
      static std::string imagePrefix =
            ZLibrary::ApplicationImageDirectory() + ZLibrary::FileNameDelimiter;
      GtkWidget *image = gtk_image_new_from_file(
            (imagePrefix + button.iconName() + ".png").c_str()
      );

      switch (button.type()) {
            case ZLToolbar::Item::PLAIN_BUTTON:
                  gtkItem = gtk_tool_button_new(image, button.tooltip().c_str());
                  break;
            case ZLToolbar::Item::TOGGLE_BUTTON:
                  gtkItem = gtk_toggle_tool_button_new();
                  gtk_tool_button_set_label(GTK_TOOL_BUTTON(gtkItem), button.tooltip().c_str());
                  gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(gtkItem), image);
                  break;
            case ZLToolbar::Item::MENU_BUTTON:
            {
                  gtkItem = gtk_menu_tool_button_new(image, button.tooltip().c_str());
                  const ZLToolbar::MenuButtonItem &menuButton =
                        (const ZLToolbar::MenuButtonItem&)button;
                  shared_ptr<ZLPopupData> popupData = menuButton.popupData();
                  myPopupIdMap[gtkItem] =
                        popupData.isNull() ? (size_t)-1 : (popupData->id() - 1);
                  gtk_menu_tool_button_set_menu(GTK_MENU_TOOL_BUTTON(gtkItem), gtk_menu_new());
                  gtk_menu_tool_button_set_arrow_tooltip(GTK_MENU_TOOL_BUTTON(gtkItem), myGtkToolbar->tooltips, menuButton.popupTooltip().c_str(), 0);
                  break;
            }
            default:
                  break;
      }

      gtk_tool_item_set_tooltip(gtkItem, myGtkToolbar->tooltips, button.tooltip().c_str(), 0);
      ZLGtkSignalUtil::connectSignal(GTK_OBJECT(gtkItem), "create_menu_proxy", GTK_SIGNAL_FUNC(createMenuProxy), myWindow);
      ZLGtkSignalUtil::connectSignal(GTK_OBJECT(gtkItem), "clicked", GTK_SIGNAL_FUNC(onButtonClicked), myWindow);

      return gtkItem;
}

void ZLGtkApplicationWindow::Toolbar::addToolbarItem(ZLToolbar::ItemPtr item) {
      GtkToolItem *gtkItem = 0;

      switch (item->type()) {
            case ZLToolbar::Item::TEXT_FIELD:
            case ZLToolbar::Item::COMBO_BOX:
                  {
                        const ZLToolbar::ParameterItem &parameterItem = (const ZLToolbar::ParameterItem&)*item;
                        GtkEntryParameter *parameter =
                              new GtkEntryParameter(*myWindow, parameterItem);
                        myWindow->addVisualParameter(parameterItem.parameterId(), parameter);
                        gtkItem = parameter->createToolItem();
                        gtk_tool_item_set_tooltip(gtkItem, myGtkToolbar->tooltips, parameterItem.tooltip().c_str(), 0);
                  }
                  break;
            case ZLToolbar::Item::PLAIN_BUTTON:
            case ZLToolbar::Item::TOGGLE_BUTTON:
            case ZLToolbar::Item::MENU_BUTTON:
                  gtkItem = createGtkToolButton((const ZLToolbar::AbstractButtonItem&)*item);
                  break;
            case ZLToolbar::Item::SEPARATOR:
                  gtkItem = gtk_separator_tool_item_new();
                  break;
      }
      if (gtkItem != 0) {
            gtk_toolbar_insert(myGtkToolbar, gtkItem, -1);
            myAbstractToGtk[&*item] = gtkItem;
            myGtkToAbstract[gtkItem] = item;
            gtk_widget_show_all(GTK_WIDGET(gtkItem));
      }
}

static bool itemActivated(GtkWidget *menuItem, gpointer data) {
      GtkMenu *menu = GTK_MENU(gtk_widget_get_parent(menuItem));
      GList *children = gtk_container_get_children(GTK_CONTAINER(menu));
      int index = g_list_index(children, (gconstpointer)menuItem);
      ((ZLPopupData*)data)->run(index);
      return true;
}

void ZLGtkApplicationWindow::Toolbar::updatePopupData(GtkMenuToolButton *button, shared_ptr<ZLPopupData> data) {
      if (data.isNull()) {
            return;
      }

      const size_t id = data->id();
      if (id == myPopupIdMap[GTK_TOOL_ITEM(button)]) {
            return;
      }
      myPopupIdMap[GTK_TOOL_ITEM(button)] = id;

      GtkMenu *menu = GTK_MENU(gtk_menu_tool_button_get_menu(button));
      GList *children = gtk_container_get_children(GTK_CONTAINER(menu));
      if (children != 0) {
            for (GList *ptr =  g_list_last(children); ; ptr = g_list_previous(ptr)) {
                  gtk_container_remove(GTK_CONTAINER(menu), GTK_WIDGET(ptr->data));
                  if (ptr == children) {
                        break;
                  }
            }
      }

      const size_t count = data->count();
      for (size_t i = 0; i < count; ++i) {
            GtkWidget *item = gtk_menu_item_new_with_label(data->text(i).c_str());
            gtk_widget_show_all(item);
            gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
            ZLGtkSignalUtil::connectSignal(GTK_OBJECT(item), "activate", GTK_SIGNAL_FUNC(itemActivated), &*data);
      }
}

void ZLGtkApplicationWindow::Toolbar::setToolbarItemState(ZLToolbar::ItemPtr item, bool visible, bool enabled) {
      std::map<const ZLToolbar::Item*,GtkToolItem*>::const_iterator it = myAbstractToGtk.find(&*item);
      if (it == myAbstractToGtk.end()) {
            return;
      }

      GtkToolItem *gtkItem = it->second;
      if (visible) {
            gtk_widget_show(GTK_WIDGET(gtkItem));
      } else {
            gtk_widget_hide(GTK_WIDGET(gtkItem));
      }
      /*
       * Not sure, but looks like gtk_widget_set_sensitive(WIDGET, false)
       * does something strange if WIDGET is already insensitive.
       */
      bool alreadyEnabled = GTK_WIDGET_STATE(GTK_WIDGET(gtkItem)) != GTK_STATE_INSENSITIVE;
      if (enabled != alreadyEnabled) {
            gtk_widget_set_sensitive(GTK_WIDGET(gtkItem), enabled);
      }

      if (item->type() == ZLToolbar::Item::MENU_BUTTON) {
            updatePopupData(
                  GTK_MENU_TOOL_BUTTON(gtkItem),
                  ((ZLToolbar::MenuButtonItem&)*item).popupData()
            );
      }
}

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