/* gtkcellrendererprogress.c * Gaim is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * source distribution. * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* This is taken largely from GtkCellRenderer[Text|Pixbuf|Toggle] by * Jonathon Blandford for RedHat, Inc. */ #include "gtkcellrendererprogress.h" static void gtk_cell_renderer_progress_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec); static void gtk_cell_renderer_progress_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec); static void gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress); static void gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *class); static void gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height); static void gtk_cell_renderer_progress_render (GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags); #if 0 static gboolean gtk_cell_renderer_progress_activate (GtkCellRenderer *cell, GdkEvent *event, GtkWidget *widget, const gchar *path, GdkRectangle *background_area, GdkRectangle *cell_area, guint flags); #endif static void gtk_cell_renderer_progress_finalize (GObject *gobject); enum { LAST_SIGNAL }; enum { PROP_0, PROP_PERCENTAGE, PROP_TEXT, PROP_SHOW_TEXT }; static gpointer parent_class; /* static guint progress_cell_renderer_signals [LAST_SIGNAL]; */ GType gtk_cell_renderer_progress_get_type (void) { static GType cell_progress_type = 0; if (!cell_progress_type) { static const GTypeInfo cell_progress_info = { sizeof (GtkCellRendererProgressClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_cell_renderer_progress_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkCellRendererProgress), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_cell_renderer_progress_init, }; cell_progress_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererProgress", &cell_progress_info, 0); } return cell_progress_type; } static void gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress) { GTK_CELL_RENDERER(cellprogress)->mode = GTK_CELL_RENDERER_MODE_INERT; GTK_CELL_RENDERER(cellprogress)->xpad = 2; GTK_CELL_RENDERER(cellprogress)->ypad = 2; } static void gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *class) { GObjectClass *object_class = G_OBJECT_CLASS(class); GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(class); parent_class = g_type_class_peek_parent (class); object_class->finalize = gtk_cell_renderer_progress_finalize; object_class->get_property = gtk_cell_renderer_progress_get_property; object_class->set_property = gtk_cell_renderer_progress_set_property; cell_class->get_size = gtk_cell_renderer_progress_get_size; cell_class->render = gtk_cell_renderer_progress_render; g_object_class_install_property (object_class, PROP_PERCENTAGE, g_param_spec_double ("percentage", "Percentage", "The fractional progress to display", 0, 1, 0, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_TEXT, g_param_spec_string ("text", "Text", "Text to overlay over progress bar", NULL, G_PARAM_READWRITE)); g_object_class_install_property(object_class, PROP_SHOW_TEXT, g_param_spec_string("text_set", "Text set", "Whether to overlay text on the progress bar", FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE)); } static void gtk_cell_renderer_progress_finalize (GObject *object) { /* GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS(object); */ (* G_OBJECT_CLASS (parent_class)->finalize) (object); } static void gtk_cell_renderer_progress_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *psec) { GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS(object); switch (param_id) { case PROP_PERCENTAGE: g_value_set_double(value, cellprogress->progress); break; case PROP_TEXT: g_value_set_string(value, cellprogress->text); break; case PROP_SHOW_TEXT: g_value_set_boolean(value, cellprogress->text_set); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec); break; } } static void gtk_cell_renderer_progress_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (object); switch (param_id) { case PROP_PERCENTAGE: cellprogress->progress = g_value_get_double(value); break; case PROP_TEXT: if (cellprogress->text) g_free(cellprogress->text); cellprogress->text = g_strdup(g_value_get_string(value)); g_object_notify(object, "text"); break; case PROP_SHOW_TEXT: cellprogress->text_set = g_value_get_boolean(value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec); break; } } GtkCellRenderer *gtk_cell_renderer_progress_new(void) { return g_object_new(GTK_TYPE_CELL_RENDERER_PROGRESS, NULL); } static void gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height) { gint calc_width; gint calc_height; calc_width = (gint) cell->xpad * 2 + 50; calc_height = (gint) cell->ypad * 2 + 12; if (width) *width = calc_width; if (height) *height = calc_height; if (cell_area) { if (x_offset) { *x_offset = cell->xalign * (cell_area->width - calc_width); *x_offset = MAX (*x_offset, 0); } if (y_offset) { *y_offset = cell->yalign * (cell_area->height - calc_height); *y_offset = MAX (*y_offset, 0); } } } static void gtk_cell_renderer_progress_render (GtkCellRenderer *cell, GdkWindow *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags) { GtkCellRendererProgress *cellprogress = (GtkCellRendererProgress *) cell; gint width, height; GtkStateType state; width = cell_area->width; height = cell_area->height; if (GTK_WIDGET_HAS_FOCUS (widget)) state = GTK_STATE_ACTIVE; else state = GTK_STATE_NORMAL; width -= cell->xpad*2; height -= cell->ypad*2; gtk_paint_box (widget->style, window, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL, widget, "trough", cell_area->x + cell->xpad, cell_area->y + cell->ypad, width - 1, height - 1); gtk_paint_box (widget->style, window, state, GTK_SHADOW_OUT, NULL, widget, "bar", cell_area->x + cell->xpad + 1, cell_area->y + cell->ypad + 1, (width - 3) * cellprogress->progress, height - 3); }