forked from AuroraMiddleware/gtk
2d372c4053
Mon Apr 30 19:18:07 2001 Owen Taylor <otaylor@redhat.com> * gtk/gtkstyle.[ch] gtk/gtkaccellabel.c gtk/gtkcellrenderertext.c gtk/gtkhruler.c gtk/gtkhscale.c gtk/gtklabel.c gtk/gtkprogressbar.c gtk/gtkvruler.c gtk/gtkvscale.c: Add an extra parameter use_text to gtk_paint_label() to deal with style->bg[] vs style->text[]. * gtk/gtkbbox.c gtk/gtkdialog.c: Tweak padding some to deal with GtkWidget::interior_focus = TRUE better. * gtk/gtkbutton.c * gtk/gtkwidget.c (gtk_widget_style_get_valist): Remove G_VALUE_NO_COPY_CONTENTS, to correspond with the recent change that had to be made with g_object_get.
601 lines
18 KiB
C
601 lines
18 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <stdio.h>
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#include "gtkhscale.h"
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#include "gtksignal.h"
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#include "gdk/gdkkeysyms.h"
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#include "gtkintl.h"
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#include "gtkbindings.h"
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#define SCALE_CLASS(w) GTK_SCALE_GET_CLASS (w)
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#define RANGE_CLASS(w) GTK_RANGE_GET_CLASS (w)
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enum {
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PROP_0,
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PROP_ADJUSTMENT
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};
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static void gtk_hscale_class_init (GtkHScaleClass *klass);
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static void gtk_hscale_init (GtkHScale *hscale);
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static void gtk_hscale_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_hscale_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_hscale_realize (GtkWidget *widget);
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static void gtk_hscale_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_hscale_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_hscale_pos_trough (GtkHScale *hscale,
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gint *x,
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gint *y,
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gint *w,
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gint *h);
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static void gtk_hscale_pos_background (GtkHScale *hscale,
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gint *x,
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gint *y,
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gint *w,
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gint *h);
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static void gtk_hscale_draw_slider (GtkRange *range);
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static void gtk_hscale_draw_value (GtkScale *scale);
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static void gtk_hscale_clear_background (GtkRange *range);
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GtkType
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gtk_hscale_get_type (void)
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{
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static GtkType hscale_type = 0;
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if (!hscale_type)
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{
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static const GtkTypeInfo hscale_info =
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{
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"GtkHScale",
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sizeof (GtkHScale),
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sizeof (GtkHScaleClass),
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(GtkClassInitFunc) gtk_hscale_class_init,
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(GtkObjectInitFunc) gtk_hscale_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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hscale_type = gtk_type_unique (GTK_TYPE_SCALE, &hscale_info);
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}
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return hscale_type;
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}
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#define add_slider_binding(binding_set, keyval, mask, scroll, trough) \
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gtk_binding_entry_add_signal (binding_set, keyval, mask, \
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"move_slider", 2, \
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GTK_TYPE_SCROLL_TYPE, scroll, \
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GTK_TYPE_TROUGH_TYPE, trough)
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static void
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gtk_hscale_class_init (GtkHScaleClass *class)
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{
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GObjectClass *gobject_class;
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkRangeClass *range_class;
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GtkScaleClass *scale_class;
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GtkBindingSet *binding_set;
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gobject_class = (GObjectClass*) class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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range_class = (GtkRangeClass*) class;
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scale_class = (GtkScaleClass*) class;
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gobject_class->set_property = gtk_hscale_set_property;
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gobject_class->get_property = gtk_hscale_get_property;
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widget_class->realize = gtk_hscale_realize;
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widget_class->size_request = gtk_hscale_size_request;
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widget_class->size_allocate = gtk_hscale_size_allocate;
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range_class->slider_update = _gtk_range_default_hslider_update;
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range_class->trough_click = _gtk_range_default_htrough_click;
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range_class->motion = _gtk_range_default_hmotion;
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range_class->draw_slider = gtk_hscale_draw_slider;
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range_class->clear_background = gtk_hscale_clear_background;
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scale_class->draw_value = gtk_hscale_draw_value;
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g_object_class_install_property (gobject_class,
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PROP_ADJUSTMENT,
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g_param_spec_object ("adjustment",
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_("Adjustment"),
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_("The GtkAdjustment that determines the values to use for this HScale."),
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GTK_TYPE_ADJUSTMENT,
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G_PARAM_READWRITE));
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binding_set = gtk_binding_set_by_class (object_class);
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add_slider_binding (binding_set, GDK_Left, 0,
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GTK_SCROLL_STEP_LEFT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_Left, GDK_CONTROL_MASK,
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GTK_SCROLL_PAGE_LEFT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_KP_Left, 0,
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GTK_SCROLL_STEP_LEFT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_KP_Left, GDK_CONTROL_MASK,
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GTK_SCROLL_PAGE_LEFT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_Right, 0,
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GTK_SCROLL_STEP_RIGHT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_Right, GDK_CONTROL_MASK,
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GTK_SCROLL_PAGE_RIGHT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_KP_Right, 0,
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GTK_SCROLL_STEP_RIGHT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_KP_Right, GDK_CONTROL_MASK,
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GTK_SCROLL_PAGE_RIGHT, GTK_TROUGH_NONE);
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add_slider_binding (binding_set, GDK_Home, 0,
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GTK_SCROLL_NONE, GTK_TROUGH_START);
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add_slider_binding (binding_set, GDK_KP_Home, 0,
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GTK_SCROLL_NONE, GTK_TROUGH_START);
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add_slider_binding (binding_set, GDK_End, 0,
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GTK_SCROLL_NONE, GTK_TROUGH_END);
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add_slider_binding (binding_set, GDK_KP_End, 0,
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GTK_SCROLL_NONE, GTK_TROUGH_END);
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}
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static void
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gtk_hscale_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkHScale *hscale;
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hscale = GTK_HSCALE (object);
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switch (prop_id)
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{
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case PROP_ADJUSTMENT:
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gtk_range_set_adjustment (GTK_RANGE (hscale), g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_hscale_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkHScale *hscale;
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hscale = GTK_HSCALE (object);
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switch (prop_id)
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{
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case PROP_ADJUSTMENT:
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g_value_set_object (value,
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G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (hscale))));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_hscale_init (GtkHScale *hscale)
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{
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GTK_WIDGET_SET_FLAGS (hscale, GTK_NO_WINDOW);
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}
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GtkWidget*
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gtk_hscale_new (GtkAdjustment *adjustment)
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{
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GtkWidget *hscale;
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hscale = gtk_widget_new (GTK_TYPE_HSCALE,
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"adjustment", adjustment,
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NULL);
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GTK_RANGE (hscale) -> flippable = 1;
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return hscale;
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}
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static void
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gtk_hscale_realize (GtkWidget *widget)
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{
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GtkRange *range;
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GdkWindowAttr attributes;
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gint attributes_mask;
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gint x, y, w, h;
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gint slider_width, slider_length;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_HSCALE (widget));
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GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
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range = GTK_RANGE (widget);
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_gtk_range_get_props (range, &slider_width, NULL, NULL, NULL);
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gtk_widget_style_get (widget, "slider_length", &slider_length, NULL);
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widget->window = gtk_widget_get_parent_window (widget);
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gdk_window_ref (widget->window);
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gtk_hscale_pos_trough (GTK_HSCALE (widget), &x, &y, &w, &h);
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attributes.x = x;
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attributes.y = y;
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attributes.width = w;
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attributes.height = h;
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attributes.wclass = GDK_INPUT_OUTPUT;
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attributes.window_type = GDK_WINDOW_CHILD;
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attributes.event_mask = gtk_widget_get_events (widget) |
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(GDK_EXPOSURE_MASK |
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GDK_BUTTON_PRESS_MASK |
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GDK_BUTTON_RELEASE_MASK |
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GDK_ENTER_NOTIFY_MASK |
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GDK_LEAVE_NOTIFY_MASK);
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attributes.visual = gtk_widget_get_visual (widget);
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attributes.colormap = gtk_widget_get_colormap (widget);
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attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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range->trough = gdk_window_new (widget->window, &attributes, attributes_mask);
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attributes.width = slider_length;
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attributes.height = slider_width;
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attributes.event_mask |= (GDK_BUTTON_MOTION_MASK |
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GDK_POINTER_MOTION_HINT_MASK);
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range->slider = gdk_window_new (range->trough, &attributes, attributes_mask);
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widget->style = gtk_style_attach (widget->style, widget->window);
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gdk_window_set_user_data (range->trough, widget);
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gdk_window_set_user_data (range->slider, widget);
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gtk_style_set_background (widget->style, range->trough, GTK_STATE_ACTIVE);
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gtk_style_set_background (widget->style, range->slider, GTK_STATE_NORMAL);
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_gtk_range_slider_update (GTK_RANGE (widget));
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gdk_window_show (range->slider);
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}
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static void
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gtk_hscale_clear_background (GtkRange *range)
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{
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GtkWidget *widget;
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gint x, y, width, height;
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g_return_if_fail (range != NULL);
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widget = GTK_WIDGET (range);
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gtk_hscale_pos_background (GTK_HSCALE (range), &x, &y, &width, &height);
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gtk_widget_queue_clear_area (GTK_WIDGET (range),
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x, y, width, height);
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}
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static void
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gtk_hscale_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkScale *scale = GTK_SCALE (widget);
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gint slider_width, slider_length, trough_border;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_HSCALE (widget));
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g_return_if_fail (requisition != NULL);
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_gtk_range_get_props (GTK_RANGE (scale),
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&slider_width, &trough_border, NULL, NULL);
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gtk_widget_style_get (widget, "slider_length", &slider_length, NULL);
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requisition->width = (slider_length + trough_border) * 2;
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requisition->height = (slider_width + trough_border * 2);
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if (scale->draw_value)
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{
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gint value_width, value_height;
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gtk_scale_get_value_size (scale, &value_width, &value_height);
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if ((scale->value_pos == GTK_POS_LEFT) ||
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(scale->value_pos == GTK_POS_RIGHT))
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{
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requisition->width += value_width + SCALE_CLASS (scale)->value_spacing;
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if (requisition->height < value_height)
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requisition->height = value_height;
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}
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else if ((scale->value_pos == GTK_POS_TOP) ||
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(scale->value_pos == GTK_POS_BOTTOM))
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{
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if (requisition->width < value_width)
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requisition->width = value_width;
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requisition->height += value_height;
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}
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}
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}
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static void
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gtk_hscale_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkRange *range;
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GtkScale *scale;
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gint width, height;
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gint x, y;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_HSCALE (widget));
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g_return_if_fail (allocation != NULL);
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widget->allocation = *allocation;
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if (GTK_WIDGET_REALIZED (widget))
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{
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range = GTK_RANGE (widget);
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scale = GTK_SCALE (widget);
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gtk_hscale_pos_trough (GTK_HSCALE (widget), &x, &y, &width, &height);
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gdk_window_move_resize (range->trough,
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x, y, width, height);
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_gtk_range_slider_update (GTK_RANGE (widget));
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}
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}
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static void
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gtk_hscale_pos_trough (GtkHScale *hscale,
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gint *x,
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gint *y,
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gint *w,
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gint *h)
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{
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GtkWidget *widget = GTK_WIDGET (hscale);
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GtkScale *scale = GTK_SCALE (hscale);
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gint slider_width;
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gint trough_border;
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_gtk_range_get_props (GTK_RANGE (scale),
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&slider_width, &trough_border, NULL, NULL);
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*w = widget->allocation.width;
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*h = (slider_width + trough_border * 2);
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if (scale->draw_value)
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{
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gint value_width, value_height;
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gtk_scale_get_value_size (scale, &value_width, &value_height);
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*x = 0;
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*y = 0;
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switch (scale->value_pos)
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{
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case GTK_POS_LEFT:
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*x += value_width + SCALE_CLASS (scale)->value_spacing;
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*y = (widget->allocation.height - *h) / 2;
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*w -= *x;
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break;
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case GTK_POS_RIGHT:
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*w -= value_width + SCALE_CLASS (scale)->value_spacing;
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*y = (widget->allocation.height - *h) / 2;
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break;
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case GTK_POS_TOP:
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*y = (value_height + (widget->allocation.height - widget->requisition.height) / 2);
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break;
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case GTK_POS_BOTTOM:
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*y = (widget->allocation.height - widget->requisition.height) / 2;
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break;
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}
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}
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else
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{
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*x = 0;
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*y = (widget->allocation.height - *h) / 2;
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}
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*x += 1;
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*w -= 2;
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*x += widget->allocation.x;
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*y += widget->allocation.y;
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}
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static void
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gtk_hscale_pos_background (GtkHScale *hscale,
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gint *x,
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gint *y,
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gint *w,
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gint *h)
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{
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GtkWidget *widget;
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GtkScale *scale;
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gint tx, ty, twidth, theight;
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g_return_if_fail (hscale != NULL);
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g_return_if_fail (GTK_IS_HSCALE (hscale));
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g_return_if_fail ((x != NULL) && (y != NULL) && (w != NULL) && (h != NULL));
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gtk_hscale_pos_trough (hscale, &tx, &ty, &twidth, &theight);
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widget = GTK_WIDGET (hscale);
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scale = GTK_SCALE (hscale);
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*x = widget->allocation.x;
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*y = widget->allocation.y;
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*w = widget->allocation.width;
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*h = widget->allocation.height;
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switch (scale->value_pos)
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{
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case GTK_POS_LEFT:
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*w -= twidth;
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break;
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case GTK_POS_RIGHT:
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*x += twidth;
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*w -= twidth;
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break;
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case GTK_POS_TOP:
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*h -= theight;
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break;
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case GTK_POS_BOTTOM:
|
|
*y += theight;
|
|
*h -= theight;
|
|
break;
|
|
}
|
|
*w = MAX (*w, 0);
|
|
*h = MAX (*h, 0);
|
|
}
|
|
|
|
static void
|
|
gtk_hscale_draw_slider (GtkRange *range)
|
|
{
|
|
GtkStateType state_type;
|
|
|
|
g_return_if_fail (range != NULL);
|
|
g_return_if_fail (GTK_IS_HSCALE (range));
|
|
|
|
if (range->slider)
|
|
{
|
|
if ((range->in_child == RANGE_CLASS (range)->slider) ||
|
|
(range->click_child == RANGE_CLASS (range)->slider))
|
|
state_type = GTK_STATE_PRELIGHT;
|
|
else
|
|
state_type = GTK_STATE_NORMAL;
|
|
|
|
gtk_paint_slider (GTK_WIDGET (range)->style, range->slider, state_type,
|
|
GTK_SHADOW_OUT,
|
|
NULL, GTK_WIDGET (range), "hscale",
|
|
0, 0, -1, -1,
|
|
GTK_ORIENTATION_HORIZONTAL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_hscale_draw_value (GtkScale *scale)
|
|
{
|
|
GtkStateType state_type;
|
|
GtkWidget *widget;
|
|
gchar buffer[32];
|
|
gint width, height;
|
|
gint x, y;
|
|
|
|
g_return_if_fail (scale != NULL);
|
|
g_return_if_fail (GTK_IS_HSCALE (scale));
|
|
|
|
widget = GTK_WIDGET (scale);
|
|
|
|
if (scale->draw_value)
|
|
{
|
|
PangoLayout *layout;
|
|
PangoRectangle logical_rect;
|
|
|
|
sprintf (buffer, "%0.*f", GTK_RANGE (scale)->digits, GTK_RANGE (scale)->adjustment->value);
|
|
layout = gtk_widget_create_pango_layout (widget, buffer);
|
|
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
|
|
|
|
switch (scale->value_pos)
|
|
{
|
|
case GTK_POS_LEFT:
|
|
gdk_window_get_position (GTK_RANGE (scale)->trough, &x, &y);
|
|
gdk_window_get_size (GTK_RANGE (scale)->trough, &width, &height);
|
|
|
|
x -= SCALE_CLASS (scale)->value_spacing + logical_rect.width;
|
|
y += (height - logical_rect.height) / 2;
|
|
break;
|
|
case GTK_POS_RIGHT:
|
|
gdk_window_get_position (GTK_RANGE (scale)->trough, &x, &y);
|
|
gdk_window_get_size (GTK_RANGE (scale)->trough, &width, &height);
|
|
|
|
x += width + SCALE_CLASS (scale)->value_spacing;
|
|
y += (height - logical_rect.height) / 2;
|
|
break;
|
|
case GTK_POS_TOP:
|
|
gdk_window_get_position (GTK_RANGE (scale)->slider, &x, NULL);
|
|
gdk_window_get_position (GTK_RANGE (scale)->trough, NULL, &y);
|
|
gdk_window_get_size (GTK_RANGE (scale)->slider, &width, NULL);
|
|
gdk_window_get_size (GTK_RANGE (scale)->trough, NULL, &height);
|
|
|
|
x += widget->allocation.x + (width - logical_rect.width) / 2;
|
|
x = CLAMP (x, widget->allocation.x,
|
|
widget->allocation.x + widget->allocation.width - logical_rect.width);
|
|
y -= logical_rect.height;
|
|
break;
|
|
case GTK_POS_BOTTOM:
|
|
gdk_window_get_position (GTK_RANGE (scale)->slider, &x, NULL);
|
|
gdk_window_get_position (GTK_RANGE (scale)->trough, NULL, &y);
|
|
gdk_window_get_size (GTK_RANGE (scale)->slider, &width, NULL);
|
|
gdk_window_get_size (GTK_RANGE (scale)->trough, NULL, &height);
|
|
|
|
x += widget->allocation.x + (width - logical_rect.width) / 2;
|
|
x = CLAMP (x, widget->allocation.x,
|
|
widget->allocation.x + widget->allocation.width - logical_rect.width);
|
|
y += height;
|
|
break;
|
|
}
|
|
|
|
state_type = GTK_STATE_NORMAL;
|
|
if (!GTK_WIDGET_IS_SENSITIVE (scale))
|
|
state_type = GTK_STATE_INSENSITIVE;
|
|
|
|
gtk_paint_layout (widget->style,
|
|
widget->window,
|
|
state_type,
|
|
FALSE,
|
|
NULL,
|
|
widget,
|
|
"hscale",
|
|
x, y,
|
|
layout);
|
|
|
|
g_object_unref (G_OBJECT (layout));
|
|
}
|
|
}
|