/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* Viking - GPS data editor
- * Copyright (C) 2007, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
* Copyright (C) 2014, Rob Norris <rw_norris@hotmail.com>
+ * Copyright 2006-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
+ * Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
+ * Copyright 2011-2012 Matthew Brush <mbrush(at)codebrainz(dot)ca>
*
* 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, version 2.
+ * 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
#include "util.h"
#include "dialog.h"
+#include "settings.h"
#ifdef WINDOWS
#include <windows.h>
#endif
-/*
+
#ifndef WINDOWS
static gboolean spawn_command_line_async(const gchar * cmd,
const gchar * arg)
return status;
}
#endif
-*/
+
// Annoyingly gtk_show_uri() doesn't work so resort to ShellExecute method
// (non working at least in our Windows build with GTK+2.24.10 on Windows 7)
#ifdef WINDOWS
ShellExecute(NULL, NULL, (char *) url, NULL, ".\\", 0);
#else
- GError *error = NULL;
- gtk_show_uri ( gtk_widget_get_screen (GTK_WIDGET(parent)), url, GDK_CURRENT_TIME, &error );
- if ( error ) {
- a_dialog_error_msg_extra ( parent, _("Could not launch web browser. %s"), error->message );
- g_error_free ( error );
+ gboolean use_browser = FALSE;
+ if ( a_settings_get_boolean ( "use_env_browser", &use_browser ) ) {
+ const gchar *browser = g_getenv("BROWSER");
+ if (browser == NULL || browser[0] == '\0') {
+ browser = "firefox";
+ }
+ if (spawn_command_line_async(browser, url)) {
+ return;
+ }
+ else
+ g_warning("Failed to run: %s on %s", browser, url);
+ }
+ else {
+ GError *error = NULL;
+ gtk_show_uri ( gtk_widget_get_screen (GTK_WIDGET(parent)), url, GDK_CURRENT_TIME, &error );
+ if ( error ) {
+ a_dialog_error_msg_extra ( parent, _("Could not launch web browser. %s"), error->message );
+ g_error_free ( error );
+ }
}
#endif
}
g_free(uri);
uri = NULL;
}
+
+/** Creates a @c GtkButton with custom text and a stock image similar to
+ * @c gtk_button_new_from_stock().
+ * @param stock_id A @c GTK_STOCK_NAME string.
+ * @param text Button label text, can include mnemonics.
+ * @return The new @c GtkButton.
+ */
+GtkWidget *ui_button_new_with_image(const gchar *stock_id, const gchar *text)
+{
+ GtkWidget *image, *button;
+
+ button = gtk_button_new_with_mnemonic(text);
+ gtk_widget_show(button);
+ image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_BUTTON);
+ gtk_button_set_image(GTK_BUTTON(button), image);
+ // note: image is shown by gtk
+ return button;
+}
+
+/** Reads an integer from the GTK default settings registry
+ * (see http://library.gnome.org/devel/gtk/stable/GtkSettings.html).
+ * @param property_name The property to read.
+ * @param default_value The default value in case the value could not be read.
+ * @return The value for the property if it exists, otherwise the @a default_value.
+ */
+gint ui_get_gtk_settings_integer(const gchar *property_name, gint default_value)
+{
+ if (g_object_class_find_property(G_OBJECT_GET_CLASS(G_OBJECT(
+ gtk_settings_get_default())), property_name))
+ {
+ gint value;
+ g_object_get(G_OBJECT(gtk_settings_get_default()), property_name, &value, NULL);
+ return value;
+ }
+ else
+ return default_value;
+}
+
+
+/** Returns a widget from a name in a component, usually created by Glade.
+ * Call it with the toplevel widget in the component (i.e. a window/dialog),
+ * or alternatively any widget in the component, and the name of the widget
+ * you want returned.
+ * @param widget Widget with the @a widget_name property set.
+ * @param widget_name Name to lookup.
+ * @return The widget found.
+ * @see ui_hookup_widget().
+ *
+ */
+GtkWidget *ui_lookup_widget(GtkWidget *widget, const gchar *widget_name)
+{
+ GtkWidget *parent, *found_widget;
+
+ g_return_val_if_fail(widget != NULL, NULL);
+ g_return_val_if_fail(widget_name != NULL, NULL);
+
+ for (;;)
+ {
+ if (GTK_IS_MENU(widget))
+ parent = gtk_menu_get_attach_widget(GTK_MENU(widget));
+ else
+ parent = gtk_widget_get_parent(widget);
+ if (parent == NULL)
+ parent = (GtkWidget*) g_object_get_data(G_OBJECT(widget), "GladeParentKey");
+ if (parent == NULL)
+ break;
+ widget = parent;
+ }
+
+ found_widget = (GtkWidget*) g_object_get_data(G_OBJECT(widget), widget_name);
+ if (G_UNLIKELY(found_widget == NULL))
+ g_warning("Widget not found: %s", widget_name);
+ return found_widget;
+}
+
+/**
+ * Returns a label widget that is made selectable (i.e. the user can copy the text)
+ * @param text String to display - maybe NULL
+ * @return The label widget
+ */
+GtkWidget* ui_label_new_selectable ( const gchar* text )
+{
+ GtkWidget *widget = gtk_label_new ( text );
+ gtk_label_set_selectable ( GTK_LABEL(widget), TRUE );
+ return widget;
+}
+
+/**
+ * Apply the alpha value to the specified pixbuf
+ */
+GdkPixbuf *ui_pixbuf_set_alpha ( GdkPixbuf *pixbuf, guint8 alpha )
+{
+ guchar *pixels;
+ gint width, height, iii, jjj;
+
+ if ( ! gdk_pixbuf_get_has_alpha ( pixbuf ) )
+ {
+ GdkPixbuf *tmp = gdk_pixbuf_add_alpha(pixbuf,FALSE,0,0,0);
+ g_object_unref(G_OBJECT(pixbuf));
+ pixbuf = tmp;
+ if ( !pixbuf )
+ return NULL;
+ }
+
+ pixels = gdk_pixbuf_get_pixels(pixbuf);
+ width = gdk_pixbuf_get_width(pixbuf);
+ height = gdk_pixbuf_get_height(pixbuf);
+
+ /* r,g,b,a,r,g,b,a.... */
+ for (iii = 0; iii < width; iii++) for (jjj = 0; jjj < height; jjj++)
+ {
+ pixels += 3;
+ if ( *pixels != 0 )
+ *pixels = alpha;
+ pixels++;
+ }
+ return pixbuf;
+}
+
+
+/**
+ * Reduce the alpha value of the specified pixbuf by alpha / 255
+ */
+GdkPixbuf *ui_pixbuf_scale_alpha ( GdkPixbuf *pixbuf, guint8 alpha )
+{
+ guchar *pixels;
+ gint width, height, iii, jjj;
+
+ if ( ! gdk_pixbuf_get_has_alpha ( pixbuf ) )
+ {
+ GdkPixbuf *tmp = gdk_pixbuf_add_alpha(pixbuf,FALSE,0,0,0);
+ g_object_unref(G_OBJECT(pixbuf));
+ pixbuf = tmp;
+ if ( !pixbuf )
+ return NULL;
+ }
+
+ pixels = gdk_pixbuf_get_pixels(pixbuf);
+ width = gdk_pixbuf_get_width(pixbuf);
+ height = gdk_pixbuf_get_height(pixbuf);
+
+ /* r,g,b,a,r,g,b,a.... */
+ for (iii = 0; iii < width; iii++) for (jjj = 0; jjj < height; jjj++)
+ {
+ pixels += 3;
+ if ( *pixels != 0 )
+ *pixels = (guint8)(((guint16)*pixels * (guint16)alpha) / 255);
+ pixels++;
+ }
+ return pixbuf;
+}
+
+
+
+/**
+ *
+ */
+void ui_add_recent_file ( const gchar *filename )
+{
+ if ( filename ) {
+ GtkRecentManager *manager = gtk_recent_manager_get_default();
+ GFile *file = g_file_new_for_commandline_arg ( filename );
+ gchar *uri = g_file_get_uri ( file );
+ if ( uri && manager )
+ gtk_recent_manager_add_item ( manager, uri );
+ g_object_unref( file );
+ g_free (uri);
+ }
+}
+
+/**
+ * Clear the entry text if the specified icon is pressed
+ */
+static void ui_icon_clear_entry ( GtkEntry *entry,
+ GtkEntryIconPosition position,
+ GdkEventButton *event,
+ gpointer data )
+{
+ if ( position == GPOINTER_TO_INT(data) )
+ gtk_entry_set_text ( entry, "" );
+}
+
+static void
+text_changed_cb (GtkEntry *entry,
+ GParamSpec *pspec,
+ gpointer data)
+{
+ if ( data ) {
+ gboolean has_text = gtk_entry_get_text_length(entry) > 0;
+ gtk_entry_set_icon_sensitive ( entry, GPOINTER_TO_INT(data), has_text );
+ }
+}
+
+/**
+ * Create an entry field with an icon to clear the entry
+ *
+ * Ideal for entries used for getting user entered transitory data,
+ * so it is easy to delete the text and start again.
+ */
+GtkWidget *ui_entry_new ( const gchar *str, GtkEntryIconPosition position )
+{
+ GtkWidget *entry = gtk_entry_new();
+ if ( str )
+ gtk_entry_set_text ( GTK_ENTRY(entry), str );
+ gtk_entry_set_icon_from_stock ( GTK_ENTRY(entry), position, GTK_STOCK_CLEAR );
+#if GTK_CHECK_VERSION (2,20,0)
+ text_changed_cb ( GTK_ENTRY(entry), NULL, GINT_TO_POINTER(position) );
+ g_signal_connect ( entry, "notify::text", G_CALLBACK(text_changed_cb), GINT_TO_POINTER(position) );
+#endif
+ g_signal_connect ( entry, "icon-release", G_CALLBACK(ui_icon_clear_entry), GINT_TO_POINTER(position) );
+ return entry;
+}
+
+/**
+ * Create a spinbutton with an icon to clear the entry
+ *
+ * Ideal for entries used for getting user entered transitory data,
+ * so it is easy to delete the number and start again.
+ */
+GtkWidget *ui_spin_button_new ( GtkAdjustment *adjustment,
+ gdouble climb_rate,
+ guint digits )
+{
+ GtkWidget *spin = gtk_spin_button_new ( adjustment, climb_rate, digits );
+ gtk_entry_set_icon_from_stock ( GTK_ENTRY(spin), GTK_ENTRY_ICON_PRIMARY, GTK_STOCK_CLEAR );
+ g_signal_connect ( spin, "icon-release", G_CALLBACK(ui_icon_clear_entry), GINT_TO_POINTER(GTK_ENTRY_ICON_PRIMARY) );
+ return spin;
+}