/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Copyright (C) 2001 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include <config.h>
#include "gtkhscrollbar.h"
-#include "gtksignal.h"
#include "gdk/gdkkeysyms.h"
#include "gtkintl.h"
+#include "gtkalias.h"
-
-#define EPSILON 0.01
-
-#define RANGE_CLASS(w) GTK_RANGE_GET_CLASS (w)
-
-enum {
- PROP_0,
- PROP_ADJUSTMENT
-};
-
-static void gtk_hscrollbar_class_init (GtkHScrollbarClass *klass);
-static void gtk_hscrollbar_init (GtkHScrollbar *hscrollbar);
-static void gtk_hscrollbar_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static void gtk_hscrollbar_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gtk_hscrollbar_realize (GtkWidget *widget);
-static void gtk_hscrollbar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_hscrollbar_draw_step_forw (GtkRange *range);
-static void gtk_hscrollbar_draw_step_back (GtkRange *range);
-static void gtk_hscrollbar_slider_update (GtkRange *range);
-static void gtk_hscrollbar_calc_slider_size (GtkHScrollbar *hscrollbar);
-static gboolean gtk_hscrollbar_trough_keys (GtkRange *range,
- GdkEventKey *key,
- GtkScrollType *scroll,
- GtkTroughType *pos);
-
-
-GtkType
-gtk_hscrollbar_get_type (void)
-{
- static GtkType hscrollbar_type = 0;
-
- if (!hscrollbar_type)
- {
- static const GtkTypeInfo hscrollbar_info =
- {
- "GtkHScrollbar",
- sizeof (GtkHScrollbar),
- sizeof (GtkHScrollbarClass),
- (GtkClassInitFunc) gtk_hscrollbar_class_init,
- (GtkObjectInitFunc) gtk_hscrollbar_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- hscrollbar_type = gtk_type_unique (GTK_TYPE_SCROLLBAR, &hscrollbar_info);
- }
-
- return hscrollbar_type;
-}
+G_DEFINE_TYPE (GtkHScrollbar, gtk_hscrollbar, GTK_TYPE_SCROLLBAR)
static void
gtk_hscrollbar_class_init (GtkHScrollbarClass *class)
{
- GObjectClass *gobject_class;
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
- GtkRangeClass *range_class;
-
- gobject_class = (GObjectClass*) class;
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
- range_class = (GtkRangeClass*) class;
-
- gobject_class->set_property = gtk_hscrollbar_set_property;
- gobject_class->get_property = gtk_hscrollbar_get_property;
-
- widget_class->realize = gtk_hscrollbar_realize;
- widget_class->size_allocate = gtk_hscrollbar_size_allocate;
-
- range_class->draw_step_forw = gtk_hscrollbar_draw_step_forw;
- range_class->draw_step_back = gtk_hscrollbar_draw_step_back;
- range_class->slider_update = gtk_hscrollbar_slider_update;
- range_class->trough_click = _gtk_range_default_htrough_click;
- range_class->trough_keys = gtk_hscrollbar_trough_keys;
- range_class->motion = _gtk_range_default_hmotion;
-
- g_object_class_install_property (gobject_class,
- PROP_ADJUSTMENT,
- g_param_spec_object ("adjustment",
- _("Adjustment"),
- _("The GtkAdjustment that determines the values to use for this scrollbar."),
- GTK_TYPE_ADJUSTMENT,
- G_PARAM_READWRITE));
-
-}
-
-static void
-gtk_hscrollbar_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkHScrollbar *hscrollbar;
-
- hscrollbar = GTK_HSCROLLBAR (object);
-
- switch (prop_id)
- {
- case PROP_ADJUSTMENT:
- gtk_range_set_adjustment (GTK_RANGE (hscrollbar),
- g_value_get_object (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gtk_hscrollbar_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkHScrollbar *hscrollbar;
-
- hscrollbar = GTK_HSCROLLBAR (object);
-
- switch (prop_id)
- {
- case PROP_ADJUSTMENT:
- g_value_set_object (value, G_OBJECT (hscrollbar));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
+ GTK_RANGE_CLASS (class)->stepper_detail = "hscrollbar";
}
static void
gtk_hscrollbar_init (GtkHScrollbar *hscrollbar)
{
- GtkWidget *widget;
- GtkRequisition *requisition;
-
- widget = GTK_WIDGET (hscrollbar);
- requisition = &widget->requisition;
-
- requisition->width = (RANGE_CLASS (widget)->min_slider_size +
- RANGE_CLASS (widget)->stepper_size +
- RANGE_CLASS (widget)->stepper_slider_spacing +
- widget->style->xthickness) * 2;
- requisition->height = (RANGE_CLASS (widget)->slider_width +
- widget->style->ythickness * 2);
+ GtkRange *range;
+
+ range = GTK_RANGE (hscrollbar);
+
+ range->orientation = GTK_ORIENTATION_HORIZONTAL;
}
GtkWidget*
{
GtkWidget *hscrollbar;
- hscrollbar = gtk_widget_new (GTK_TYPE_HSCROLLBAR,
- "adjustment", adjustment,
- NULL);
+ hscrollbar = g_object_new (GTK_TYPE_HSCROLLBAR,
+ "adjustment", adjustment,
+ NULL);
return hscrollbar;
}
-
-static void
-gtk_hscrollbar_realize (GtkWidget *widget)
-{
- GtkRange *range;
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
- range = GTK_RANGE (widget);
-
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y + (widget->allocation.height - widget->requisition.height) / 2;
- attributes.width = widget->allocation.width;
- attributes.height = widget->requisition.height;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
- attributes.event_mask = gtk_widget_get_events (widget);
- attributes.event_mask |= (GDK_EXPOSURE_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_ENTER_NOTIFY_MASK |
- GDK_LEAVE_NOTIFY_MASK);
-
- attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
- widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
-
- range->trough = widget->window;
- gdk_window_ref (range->trough);
-
- attributes.x = widget->style->xthickness;
- attributes.y = widget->style->ythickness;
- attributes.width = RANGE_CLASS (widget)->stepper_size;
- attributes.height = RANGE_CLASS (widget)->stepper_size;
-
- range->step_back = gdk_window_new (range->trough, &attributes, attributes_mask);
-
- attributes.x = (widget->allocation.width -
- widget->style->xthickness -
- RANGE_CLASS (widget)->stepper_size);
-
- range->step_forw = gdk_window_new (range->trough, &attributes, attributes_mask);
-
- attributes.x = 0;
- attributes.y = widget->style->ythickness;
- attributes.width = RANGE_CLASS (widget)->min_slider_size;
- attributes.height = RANGE_CLASS (widget)->slider_width;
- attributes.event_mask |= (GDK_BUTTON_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK);
-
- range->slider = gdk_window_new (range->trough, &attributes, attributes_mask);
-
- gtk_hscrollbar_calc_slider_size (GTK_HSCROLLBAR (widget));
- _gtk_range_slider_update (GTK_RANGE (widget));
-
- widget->style = gtk_style_attach (widget->style, widget->window);
-
- gdk_window_set_user_data (range->trough, widget);
- gdk_window_set_user_data (range->slider, widget);
- gdk_window_set_user_data (range->step_forw, widget);
- gdk_window_set_user_data (range->step_back, widget);
-
- gtk_style_set_background (widget->style, range->trough, GTK_STATE_ACTIVE);
- gtk_style_set_background (widget->style, range->slider, GTK_STATE_NORMAL);
- gtk_style_set_background (widget->style, range->step_forw, GTK_STATE_ACTIVE);
- gtk_style_set_background (widget->style, range->step_back, GTK_STATE_ACTIVE);
-
- gdk_window_show (range->slider);
- gdk_window_show (range->step_forw);
- gdk_window_show (range->step_back);
-}
-
-static void
-gtk_hscrollbar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
-{
- GtkRange *range;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (widget));
- g_return_if_fail (allocation != NULL);
-
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- {
- range = GTK_RANGE (widget);
-
- gdk_window_move_resize (range->trough,
- allocation->x,
- allocation->y + (allocation->height - widget->requisition.height) / 2,
- allocation->width, widget->requisition.height);
- gdk_window_move_resize (range->step_back,
- widget->style->xthickness,
- widget->style->ythickness,
- RANGE_CLASS (widget)->stepper_size,
- widget->requisition.height - widget->style->ythickness * 2);
- gdk_window_move_resize (range->step_forw,
- allocation->width - widget->style->xthickness -
- RANGE_CLASS (widget)->stepper_size,
- widget->style->ythickness,
- RANGE_CLASS (widget)->stepper_size,
- widget->requisition.height - widget->style->ythickness * 2);
-
- _gtk_range_slider_update (GTK_RANGE (widget));
- }
-}
-
-static void
-gtk_hscrollbar_draw_step_forw (GtkRange *range)
-{
- GtkStateType state_type;
- GtkShadowType shadow_type;
-
- g_return_if_fail (range != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (range));
-
- if (GTK_WIDGET_DRAWABLE (range))
- {
- if (range->in_child == RANGE_CLASS (range)->step_forw)
- {
- if (range->click_child == RANGE_CLASS (range)->step_forw)
- state_type = GTK_STATE_ACTIVE;
- else
- state_type = GTK_STATE_PRELIGHT;
- }
- else
- state_type = GTK_STATE_NORMAL;
-
- if (range->click_child == RANGE_CLASS (range)->step_forw)
- shadow_type = GTK_SHADOW_IN;
- else
- shadow_type = GTK_SHADOW_OUT;
-
- gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_forw,
- state_type, shadow_type,
- NULL, GTK_WIDGET (range), "hscrollbar",
- GTK_ARROW_RIGHT,
- TRUE, 0, 0, -1, -1);
- }
-}
-
-static void
-gtk_hscrollbar_draw_step_back (GtkRange *range)
-{
- GtkStateType state_type;
- GtkShadowType shadow_type;
-
- g_return_if_fail (range != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (range));
-
- if (GTK_WIDGET_DRAWABLE (range))
- {
- if (range->in_child == RANGE_CLASS (range)->step_back)
- {
- if (range->click_child == RANGE_CLASS (range)->step_back)
- state_type = GTK_STATE_ACTIVE;
- else
- state_type = GTK_STATE_PRELIGHT;
- }
- else
- state_type = GTK_STATE_NORMAL;
-
- if (range->click_child == RANGE_CLASS (range)->step_back)
- shadow_type = GTK_SHADOW_IN;
- else
- shadow_type = GTK_SHADOW_OUT;
-
- gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back,
- state_type, shadow_type,
- NULL, GTK_WIDGET (range), "hscrollbar",
- GTK_ARROW_LEFT,
- TRUE, 0, 0, -1, -1);
- }
-}
-
-static void
-gtk_hscrollbar_slider_update (GtkRange *range)
-{
- g_return_if_fail (range != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (range));
-
- gtk_hscrollbar_calc_slider_size (GTK_HSCROLLBAR (range));
- _gtk_range_default_hslider_update (range);
-}
-
-static void
-gtk_hscrollbar_calc_slider_size (GtkHScrollbar *hscrollbar)
-{
- GtkRange *range;
- gint step_back_x;
- gint step_back_width;
- gint step_forw_x;
- gint slider_width;
- gint slider_height;
- gint left, right;
- gint width;
-
- g_return_if_fail (hscrollbar != NULL);
- g_return_if_fail (GTK_IS_HSCROLLBAR (hscrollbar));
-
- if (GTK_WIDGET_REALIZED (hscrollbar))
- {
- range = GTK_RANGE (hscrollbar);
-
- gdk_window_get_size (range->step_back, &step_back_width, NULL);
- gdk_window_get_position (range->step_back, &step_back_x, NULL);
- gdk_window_get_position (range->step_forw, &step_forw_x, NULL);
-
- left = (step_back_x +
- step_back_width +
- RANGE_CLASS (hscrollbar)->stepper_slider_spacing);
- right = step_forw_x - RANGE_CLASS (hscrollbar)->stepper_slider_spacing;
- width = right - left;
-
- if ((range->adjustment->page_size > 0) &&
- (range->adjustment->lower != range->adjustment->upper))
- {
- if (range->adjustment->page_size >
- (range->adjustment->upper - range->adjustment->lower))
- range->adjustment->page_size = range->adjustment->upper - range->adjustment->lower;
-
- width = (width * range->adjustment->page_size /
- (range->adjustment->upper - range->adjustment->lower));
-
- if (width < RANGE_CLASS (hscrollbar)->min_slider_size)
- width = RANGE_CLASS (hscrollbar)->min_slider_size;
- }
-
- gdk_window_get_size (range->slider, &slider_width, &slider_height);
-
- if (slider_width != width)
- {
- gdk_window_resize (range->slider, width, slider_height);
- gdk_window_invalidate_rect (range->slider, NULL, FALSE);
- }
- }
-}
-
-static gboolean
-gtk_hscrollbar_trough_keys(GtkRange *range,
- GdkEventKey *key,
- GtkScrollType *scroll,
- GtkTroughType *pos)
-{
- gint return_val = FALSE;
- switch (key->keyval)
- {
- case GDK_Left:
- return_val = TRUE;
- *scroll = GTK_SCROLL_STEP_BACKWARD;
- break;
- case GDK_Right:
- return_val = TRUE;
- *scroll = GTK_SCROLL_STEP_FORWARD;
- break;
- case GDK_Home:
- return_val = TRUE;
- if (key->state & GDK_CONTROL_MASK)
- *scroll = GTK_SCROLL_PAGE_BACKWARD;
- else
- *pos = GTK_TROUGH_START;
- break;
- case GDK_End:
- return_val = TRUE;
- if (key->state & GDK_CONTROL_MASK)
- *scroll = GTK_SCROLL_PAGE_FORWARD;
- else
- *pos = GTK_TROUGH_END;
- break;
- }
- return return_val;
-}
+#define __GTK_HSCROLLBAR_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff