/* * Copyright (C) 2002 Marco Pesenti Gritti * * 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "ephy-gui.h" #include "eel-gconf-extensions.h" #include #include #include #include /* Styles for tab labels */ GtkStyle *loading_text_style = NULL; GtkStyle *new_text_style = NULL; /** * gul_gui_menu_position_under_widget: */ void ephy_gui_menu_position_under_widget (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) { GtkWidget *w = GTK_WIDGET (user_data); gint width, height; gint screen_width, screen_height; GtkRequisition requisition; gdk_drawable_get_size (w->window, &width, &height); gdk_window_get_origin (w->window, x, y); *y = *y + height; gtk_widget_size_request (GTK_WIDGET (menu), &requisition); screen_width = gdk_screen_width (); screen_height = gdk_screen_height (); *x = CLAMP (*x, 0, MAX (0, screen_width - requisition.width)); *y = CLAMP (*y, 0, MAX (0, screen_height - requisition.height)); } /** * gul_gui_gtk_radio_button_get: get the active member of a radiobutton * group from one of the buttons in the group. This should be in GTK+! */ gint ephy_gui_gtk_radio_button_get (GtkRadioButton *radio_button) { GtkToggleButton *toggle_button; gint i, length; GSList *list; /* get group list */ list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button)); length = g_slist_length (list); /* iterate over list to find active button */ for (i = 0; list != NULL; i++, list = g_slist_next (list)) { /* get button and text */ toggle_button = GTK_TOGGLE_BUTTON (list->data); if (gtk_toggle_button_get_active (toggle_button)) { break; } } /* check we didn't run off end */ g_assert (list != NULL); /* return index (reverse order!) */ return (length - 1) - i; } /** * gul_gui_gtk_radio_button_set: set the active member of a radiobutton * group from one of the buttons in the group. This should be in GTK+! */ void ephy_gui_gtk_radio_button_set (GtkRadioButton *radio_button, gint index) { GtkToggleButton *button; GSList *list; gint length; /* get the list */ list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button)); /* check out the length */ length = g_slist_length (list); /* new buttons are *preppended* to the list, so button added as first * has last position in the list */ index = (length - 1) - index; /* find the right button */ button = GTK_TOGGLE_BUTTON (g_slist_nth_data (list, index)); /* set it... this will de-activate the others in the group */ if (gtk_toggle_button_get_active (button) == FALSE) { gtk_toggle_button_set_active (button, TRUE); } } GtkWidget * ephy_gui_append_new_menuitem (GtkWidget *menu, const char *mnemonic, GCallback callback, gpointer data) { GtkWidget *menu_item; menu_item = gtk_menu_item_new_with_mnemonic (mnemonic); gtk_widget_show (menu_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item); if (callback) { g_signal_connect (G_OBJECT (menu_item), "activate", callback, data); } return menu_item; } GtkWidget * ephy_gui_append_new_menuitem_stock (GtkWidget *menu, const char *stock_id, GCallback callback, gpointer data) { GtkWidget *menu_item; menu_item = gtk_image_menu_item_new_from_stock (stock_id, NULL); gtk_widget_show (menu_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item); if (callback) { g_signal_connect (G_OBJECT (menu_item), "activate", callback, data); } return menu_item; } GtkWidget * ephy_gui_append_new_menuitem_stock_icon (GtkWidget *menu, const char *stock_id, const char *mnemonic, GCallback callback, gpointer data) { GtkWidget *menu_item; GtkWidget *image; menu_item = gtk_image_menu_item_new_with_mnemonic (mnemonic); image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU); gtk_widget_show (image); gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), image); gtk_widget_show (menu_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item); if (callback) { g_signal_connect (G_OBJECT (menu_item), "activate", callback, data); } return menu_item; } GtkWidget * ephy_gui_append_new_check_menuitem (GtkWidget *menu, const char *mnemonic, gboolean value, GCallback callback, gpointer data) { GtkWidget *menu_item; menu_item = gtk_check_menu_item_new_with_mnemonic (mnemonic); gtk_widget_show (menu_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), value); if (callback) { g_signal_connect (G_OBJECT (menu_item), "activate", callback, data); } return menu_item; } GtkWidget * ephy_gui_append_separator (GtkWidget *menu) { GtkWidget *menu_item; menu_item = gtk_menu_item_new (); gtk_widget_show (menu_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item); return menu_item; } gboolean ephy_gui_confirm_overwrite_file (GtkWidget *parent, const char *filename) { char *question; GtkWidget *dialog; gboolean res; if (!g_file_test (filename, G_FILE_TEST_EXISTS)) { return TRUE; } question = g_strdup_printf (_("File %s will be overwritten.\n" "If you choose yes, the contents will be lost.\n\n" "Do you want to continue?"), filename); dialog = gtk_message_dialog_new (parent ? GTK_WINDOW(parent) : NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, question); res = (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES); gtk_widget_destroy (dialog); g_free (question); return res; } static guint32 shift_color_component (guchar component, float shift_by) { guint32 result; if (shift_by > 1.0) { result = component * (2 - shift_by); } else { result = 0xff - shift_by * (0xff - component); } return result & 0xff; } /** * ephy_gui_rgb_shift_color * @color: A color. * @shift_by: darken or lighten factor. * Returns: An darkened or lightened rgb value. * * Darkens (@shift_by > 1) or lightens (@shift_by < 1) * @color. */ guint32 ephy_gui_rgb_shift_color (guint32 color, float shift_by) { guint32 result; /* shift red by shift_by */ result = shift_color_component((color & 0x00ff0000) >> 16, shift_by); result <<= 8; /* shift green by shift_by */ result |= shift_color_component((color & 0x0000ff00) >> 8, shift_by); result <<= 8; /* shift blue by shift_by */ result |= shift_color_component((color & 0x000000ff), shift_by); /* alpha doesn't change */ result |= (0xff000000 & color); return result; } static guint32 rgb16_to_rgb (gushort r, gushort g, gushort b) { guint32 result; result = (0xff0000 | (r & 0xff00)); result <<= 8; result |= ((g & 0xff00) | (b >> 8)); return result; } /** * ephy_gui_gdk_color_to_rgb * @color: A GdkColor style color. * Returns: An rgb value. * * Converts from a GdkColor stlye color to a gdk_rgb one. * Alpha gets set to fully opaque */ guint32 ephy_gui_gdk_color_to_rgb (const GdkColor *color) { return rgb16_to_rgb (color->red, color->green, color->blue); } /** * ephy_gui_rgb_to_color * @color: a gdk_rgb style value. * * Converts from a gdk_rgb value style to a GdkColor one. * The gdk_rgb color alpha channel is ignored. * * Return value: A GdkColor structure version of the given RGB color. */ GdkColor ephy_gui_gdk_rgb_to_color (guint32 color) { GdkColor result; result.red = ((color >> 16) & 0xFF) * 0x101; result.green = ((color >> 8) & 0xFF) * 0x101; result.blue = (color & 0xff) * 0x101; result.pixel = 0; return result; }