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authorTim Janik <timj@gtk.org>1998-11-23 01:54:45 +0000
committerTim Janik <timj@src.gnome.org>1998-11-23 01:54:45 +0000
commit98e22a43ab25649842fde09ac0bc0e764c9a9dca (patch)
treec17939c89cd902660a1fa677d5b7177a45d4d336 /gtk/gtkvscrollbar.c
parent12f7825907f9398ba09c90650afea0305d6dd629 (diff)
downloadgtk+-98e22a43ab25649842fde09ac0bc0e764c9a9dca.tar.gz
added args ::show_text, ::text_xalign, ::text_yalign, ::activity_mode.
Sun Nov 22 16:21:28 1998 Tim Janik <timj@gtk.org> * gtk/gtkprogress.c: added args ::show_text, ::text_xalign, ::text_yalign, ::activity_mode. * gtk/gtkprogressbar.c: added construct arg ::adjustment. added args ::bar_style, ::orientation, ::discrete_blocks, ::activity_step, ::activity_blocks. (gtk_progress_bar_new): (gtk_progress_bar_new_with_adjustment): use gtk_widget_new(). (gtk_progress_bar_construct): deprecated. * gtk/gtkvscrollbar.c: (gtk_vscrollbar_draw_step_back): (gtk_vscrollbar_draw_step_forw): use "vscrollbar" as detail for gtk_paint_arrow, to be consistent with hscrollbar. * gtk/gtktext.c added construct args ::hadjustment, ::vadjustment. added args ::line_wrap, ::word_wrap. (gtk_text_class_init): added scroll_adjustments signal. (gtk_text_new): use gtk_widget_new. (gtk_text_disconnect): remove adjustement with gtk_text_set_adjustments, so we don't screw the reference counts and don't leave signals connected. (gtk_text_destroy): disconnect adjustments signals. (gtk_text_finalize): unref adjustments. * gtk/gtkctree.c: added construct args ::n_columns and ::tree_column. added args ::indent, ::spacing, ::show_stub, ::reorderable, ::use_drag_icons, ::line_style and ::expander_style. (gtk_ctree_set_show_stub): renamed from gtk_ctree_show_stub, which is deprecated now. * gtk/gtkclist.h: remove GTK_CLIST_CONSTRUCT flag. * gtk/gtkclist.c: removed ::vadjustment and ::hadjustment args, introduced ::scroll_adjustments signal. added ::shadow_type, ::selection_mode and ::row_height args. added n_columns construct arg. (gtk_clist_construct): call gtk_object_constructed(). (gtk_clist_set_row_height): if height is passed as 0, revert to automatic height calculation. (gtk_clist_destroy): before unrefing the adjustments, disconnect our signal handlers. Fri Nov 21 22:34:58 1998 Tim Janik <timj@gtk.org> * gtk/gtkwidget.c (gtk_widget_new): call gtk_object_default_construct like gtk_object_new. (gtk_widget_destroy): assert that we only destroy constructed widgets. * gtk/gtkobject.h (enum GtkArgFlags): new flag GTK_ARG_CONSTRUCT_ONLY to identify args that may only be used for construction. GTK_ARG_CONSTRUCT maybe used as normal arguments besides construction time. * gtk/gtkobject.c (gtk_object_new): invoke gtk_object_default_construct at the end if the object is not fully constructed. (gtk_object_newv): likewise. (gtk_object_destroy): assert that we only destroy constructed objects. (gtk_object_init): setup GTK_CONSTRUCTED from the objects real klass. (gtk_object_default_construct): new function to complete default construction of an object by applying missing construtor args with default values of 0, 0.0 or NULL. (gtk_object_constructed): new function to mark an object as being constructed (used from within constructors). * gtk/gtkarg.c (gtk_arg_type_new_static): return the args info pointer so it is immediatedly available for the caller. * gtk/gtktypeutils.c (gtk_type_new): pass an object's real class to the object initilizer (GtkObjectInitFunc takes a second arg now, the real klass), and asure that object initializers may temporarily alter the class pointer. Fri Nov 20 08:00:30 1998 Tim Janik <timj@gtk.org> * gtk/testgtk.c: change all occourances of gtk_container_add ( scrolled_window, widget) to gtk_scrolled_window_add_with_viewport (...) for widget!=(clist, ctree, text, viewport). * gtk/gtkcombo.c: (gtk_combo_init): use gtk_scrolled_window_add_with_viewport() to add children to the scrolled window. * gtk/gtkscrolledwindow.h: * gtk/gtkscrolledwindow.c: changed scrolled_window->viewport to scrolled_window->child, and use gtk_widget_scroll_adjustements() to set the scroll adjustments for the widget, we do not create an additional viewport anymore. added ::hadjustment and ::vadjustment constructor args. (gtk_scrolled_window_new): use gtk_widget_new() to create the widget. (gtk_scrolled_window_set_hadjustment): (gtk_scrolled_window_set_vadjustment): new functions that superceed gtk_scrolled_window_construct. (gtk_scrolled_window_construct): deprecated this function. * gtk/gtkhscrollbar.c: * gtk/gtkvscrollbar.c: * gtk/gtkhscale.c: * gtk/gtkvscale.c: support a constructor arg "::adjustment", and use gtk_widget_new() for the widget creation. * gtk/gtkrange.c: added ::update_policy arg. (gtk_range_set_adjustment): if adjustment is passed in as NULL, create a default adjustment so this function can be used for derived widgets that depend on the adjustment's existance. (gtk_range_destroy): disconnect the adjustment signal, so we don't get called after we got destroyed, we don't destroy the adjustment in here, because it might have been provided from another widget. * gtk/gtkviewport.c: introduced ::scroll_adjustments signal. (gtk_viewport_destroy): same as gtk_range_destroy. * gtk/gtkprogress.c (gtk_progress_destroy): same as gtk_range_destroy. * gtk/gtkwidget.h: * gtk/gtkwidget.c: changed gtk_widget_activate() to return a gboolean, indicating whether this widget supports activation. added gtk_widget_scroll_adjustements() to set the scrolling adjustments of a widget. Wed Nov 19 01:22:42 1998 Tim Janik <timj@gtk.org> * gtk/gtkoptionmenu.c: (gtk_option_menu_remove_contents): (gtk_option_menu_update_contents): removed gtk_container_[un]block_resize() pairs. * gtk/gtknotebook.h: * gtk/gtknotebook.c: removed the tab_border field, since it shouldn't be used outside of gtknotebook.c anyways. made ARG_TAB_BORDER a wrtie-only argument. * *.c: made deprecated functions issue a message: gtk_clist_set_border, gtk_container_block_resize, gtk_container_unblock_resize, gtk_container_need_resize, gtk_object_class_add_user_signal, gtk_spin_button_construct, gtk_scrolled_window_construct. removed non-functional functions: gtk_container_disable_resize, gtk_container_enable_resize, gtk_clist_set_policy. Wed Nov 18 22:54:36 1998 Tim Janik <timj@gtk.org> * gtk/gtkbox.c (gtk_box_init): * gtk/gtkdrawingarea.c (gtk_drawing_area_init): * gtk/gtkeventbox.c (gtk_event_box_init): * gtk/gtkfixed.c (gtk_fixed_init): * gtk/gtkframe.c (gtk_frame_init): * gtk/gtkhandlebox.c (gtk_handle_box_init): * gtk/gtkpacker.c (gtk_packer_init): * gtk/gtkmisc.c (gtk_misc_init): * gtk/gtkpreview.c (gtk_preview_init): * gtk/gtkprogress.c (gtk_progress_init): * gtk/gtkprogressbar.c (gtk_progress_bar_init): * gtk/gtkseparator.c (gtk_separator_init): * gtk/gtktable.c (gtk_table_init): * gtk/gtkviewport.c (gtk_viewport_init): * gtk/gtkalignment.c (gtk_alignment_init): removed setting of the GTK_BASIC flag. * gtk/gtkwidget.h: * gtk/gtkwidget.c: removed GTK_BASIC, GTK_WIDGET_BASIC and gtk_widget_basic. * miscellaneous GtkType and macro fixups.
Diffstat (limited to 'gtk/gtkvscrollbar.c')
-rw-r--r--gtk/gtkvscrollbar.c345
1 files changed, 201 insertions, 144 deletions
diff --git a/gtk/gtkvscrollbar.c b/gtk/gtkvscrollbar.c
index 2e02acf227..3cb8d50051 100644
--- a/gtk/gtkvscrollbar.c
+++ b/gtk/gtkvscrollbar.c
@@ -25,58 +25,79 @@
#define RANGE_CLASS(w) GTK_RANGE_CLASS (GTK_OBJECT (w)->klass)
+enum {
+ ARG_0,
+ ARG_ADJUSTMENT,
+};
static void gtk_vscrollbar_class_init (GtkVScrollbarClass *klass);
static void gtk_vscrollbar_init (GtkVScrollbar *vscrollbar);
+static void gtk_vscrollbar_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+static void gtk_vscrollbar_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
static void gtk_vscrollbar_realize (GtkWidget *widget);
static void gtk_vscrollbar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
+ GtkAllocation *allocation);
static void gtk_vscrollbar_draw_step_forw (GtkRange *range);
static void gtk_vscrollbar_draw_step_back (GtkRange *range);
static void gtk_vscrollbar_slider_update (GtkRange *range);
static void gtk_vscrollbar_calc_slider_size (GtkVScrollbar *vscrollbar);
static gint gtk_vscrollbar_trough_keys (GtkRange *range,
- GdkEventKey *key,
- GtkScrollType *scroll,
- GtkTroughType *pos);
+ GdkEventKey *key,
+ GtkScrollType *scroll,
+ GtkTroughType *pos);
-guint
+
+GtkType
gtk_vscrollbar_get_type (void)
{
- static guint vscrollbar_type = 0;
-
+ static GtkType vscrollbar_type = 0;
+
if (!vscrollbar_type)
{
GtkTypeInfo vscrollbar_info =
{
- "GtkVScrollbar",
- sizeof (GtkVScrollbar),
- sizeof (GtkVScrollbarClass),
- (GtkClassInitFunc) gtk_vscrollbar_class_init,
- (GtkObjectInitFunc) gtk_vscrollbar_init,
- /* reserved_1 */ NULL,
+ "GtkVScrollbar",
+ sizeof (GtkVScrollbar),
+ sizeof (GtkVScrollbarClass),
+ (GtkClassInitFunc) gtk_vscrollbar_class_init,
+ (GtkObjectInitFunc) gtk_vscrollbar_init,
+ /* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
-
- vscrollbar_type = gtk_type_unique (gtk_scrollbar_get_type (), &vscrollbar_info);
+
+ vscrollbar_type = gtk_type_unique (GTK_TYPE_SCROLLBAR, &vscrollbar_info);
}
-
+
return vscrollbar_type;
}
static void
-gtk_vscrollbar_class_init (GtkVScrollbarClass *klass)
+gtk_vscrollbar_class_init (GtkVScrollbarClass *class)
{
+ GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkRangeClass *range_class;
-
- widget_class = (GtkWidgetClass*) klass;
- range_class = (GtkRangeClass*) klass;
-
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ range_class = (GtkRangeClass*) class;
+
+ gtk_object_add_arg_type ("GtkVScrollbar::adjustment",
+ GTK_TYPE_ADJUSTMENT,
+ GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT,
+ ARG_ADJUSTMENT);
+
+ object_class->set_arg = gtk_vscrollbar_set_arg;
+ object_class->get_arg = gtk_vscrollbar_get_arg;
+
widget_class->realize = gtk_vscrollbar_realize;
widget_class->size_allocate = gtk_vscrollbar_size_allocate;
-
+
range_class->draw_step_forw = gtk_vscrollbar_draw_step_forw;
range_class->draw_step_back = gtk_vscrollbar_draw_step_back;
range_class->slider_update = gtk_vscrollbar_slider_update;
@@ -86,35 +107,71 @@ gtk_vscrollbar_class_init (GtkVScrollbarClass *klass)
}
static void
+gtk_vscrollbar_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ GtkVScrollbar *vscrollbar;
+
+ vscrollbar = GTK_VSCROLLBAR (object);
+
+ switch (arg_id)
+ {
+ case ARG_ADJUSTMENT:
+ gtk_range_set_adjustment (GTK_RANGE (vscrollbar), GTK_VALUE_POINTER (*arg));
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gtk_vscrollbar_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ GtkVScrollbar *vscrollbar;
+
+ vscrollbar = GTK_VSCROLLBAR (object);
+
+ switch (arg_id)
+ {
+ case ARG_ADJUSTMENT:
+ GTK_VALUE_POINTER (*arg) = GTK_RANGE (vscrollbar);
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+static void
gtk_vscrollbar_init (GtkVScrollbar *vscrollbar)
{
GtkWidget *widget;
GtkRequisition *requisition;
-
+
widget = GTK_WIDGET (vscrollbar);
requisition = &widget->requisition;
-
+
requisition->width = (RANGE_CLASS (widget)->slider_width +
- widget->style->klass->xthickness * 2);
+ widget->style->klass->xthickness * 2);
requisition->height = (RANGE_CLASS (widget)->min_slider_size +
- RANGE_CLASS (widget)->stepper_size +
- RANGE_CLASS (widget)->stepper_slider_spacing +
- widget->style->klass->ythickness) * 2;
+ RANGE_CLASS (widget)->stepper_size +
+ RANGE_CLASS (widget)->stepper_slider_spacing +
+ widget->style->klass->ythickness) * 2;
}
GtkWidget*
gtk_vscrollbar_new (GtkAdjustment *adjustment)
{
- GtkVScrollbar *vscrollbar;
-
- vscrollbar = gtk_type_new (gtk_vscrollbar_get_type ());
-
- if (!adjustment)
- adjustment = (GtkAdjustment*) gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
-
- gtk_range_set_adjustment (GTK_RANGE (vscrollbar), adjustment);
-
- return GTK_WIDGET (vscrollbar);
+ GtkWidget *vscrollbar;
+
+ vscrollbar = gtk_widget_new (GTK_TYPE_VSCROLLBAR,
+ "adjustment", adjustment,
+ NULL);
+
+ return vscrollbar;
}
@@ -124,13 +181,13 @@ gtk_vscrollbar_realize (GtkWidget *widget)
GtkRange *range;
GdkWindowAttr attributes;
gint attributes_mask;
-
+
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (widget));
-
+
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
range = GTK_RANGE (widget);
-
+
attributes.x = widget->allocation.x + (widget->allocation.width - widget->requisition.width) / 2;
attributes.y = widget->allocation.y;
attributes.width = widget->requisition.width;
@@ -141,54 +198,54 @@ gtk_vscrollbar_realize (GtkWidget *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);
-
+ 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->klass->xthickness;
attributes.y = widget->style->klass->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.y = (widget->allocation.height -
- widget->style->klass->ythickness -
- RANGE_CLASS (widget)->stepper_size);
-
+ widget->style->klass->ythickness -
+ RANGE_CLASS (widget)->stepper_size);
+
range->step_forw = gdk_window_new (range->trough, &attributes, attributes_mask);
-
+
attributes.x = widget->style->klass->ythickness;
attributes.y = 0;
attributes.width = RANGE_CLASS (widget)->slider_width;
attributes.height = RANGE_CLASS (widget)->min_slider_size;
attributes.event_mask |= (GDK_BUTTON_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK);
-
+ GDK_POINTER_MOTION_HINT_MASK);
+
range->slider = gdk_window_new (range->trough, &attributes, attributes_mask);
-
+
gtk_vscrollbar_calc_slider_size (GTK_VSCROLLBAR (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);
@@ -196,38 +253,38 @@ gtk_vscrollbar_realize (GtkWidget *widget)
static void
gtk_vscrollbar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
+ GtkAllocation *allocation)
{
GtkRange *range;
-
+
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (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->width - widget->requisition.width) / 2,
- allocation->y,
- widget->requisition.width, allocation->height);
+ allocation->x + (allocation->width - widget->requisition.width) / 2,
+ allocation->y,
+ widget->requisition.width, allocation->height);
gdk_window_move_resize (range->step_back,
- widget->style->klass->xthickness,
- widget->style->klass->ythickness,
- widget->requisition.width - widget->style->klass->xthickness * 2,
- RANGE_CLASS (widget)->stepper_size);
+ widget->style->klass->xthickness,
+ widget->style->klass->ythickness,
+ widget->requisition.width - widget->style->klass->xthickness * 2,
+ RANGE_CLASS (widget)->stepper_size);
gdk_window_move_resize (range->step_forw,
- widget->style->klass->xthickness,
- allocation->height - widget->style->klass->ythickness -
- RANGE_CLASS (widget)->stepper_size,
- widget->requisition.width - widget->style->klass->xthickness * 2,
- RANGE_CLASS (widget)->stepper_size);
+ widget->style->klass->xthickness,
+ allocation->height - widget->style->klass->ythickness -
+ RANGE_CLASS (widget)->stepper_size,
+ widget->requisition.width - widget->style->klass->xthickness * 2,
+ RANGE_CLASS (widget)->stepper_size);
gdk_window_resize (range->slider,
- widget->requisition.width - widget->style->klass->xthickness * 2,
- RANGE_CLASS (range)->min_slider_size);
-
+ widget->requisition.width - widget->style->klass->xthickness * 2,
+ RANGE_CLASS (range)->min_slider_size);
+
gtk_range_slider_update (GTK_RANGE (widget));
}
}
@@ -237,32 +294,32 @@ gtk_vscrollbar_draw_step_forw (GtkRange *range)
{
GtkStateType state_type;
GtkShadowType shadow_type;
-
+
g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (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;
- }
+ {
+ 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;
-
+ state_type = GTK_STATE_NORMAL;
+
if (range->click_child == RANGE_CLASS (range)->step_forw)
- shadow_type = GTK_SHADOW_IN;
+ shadow_type = GTK_SHADOW_IN;
else
- shadow_type = GTK_SHADOW_OUT;
-
+ shadow_type = GTK_SHADOW_OUT;
+
gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_forw,
- state_type, shadow_type,
- NULL, GTK_WIDGET (range), "scrollbar",
- GTK_ARROW_DOWN,
- TRUE, 0, 0, -1, -1);
+ state_type, shadow_type,
+ NULL, GTK_WIDGET (range), "vscrollbar",
+ GTK_ARROW_DOWN,
+ TRUE, 0, 0, -1, -1);
}
}
@@ -271,32 +328,32 @@ gtk_vscrollbar_draw_step_back (GtkRange *range)
{
GtkStateType state_type;
GtkShadowType shadow_type;
-
+
g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (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;
- }
+ {
+ 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;
-
+ state_type = GTK_STATE_NORMAL;
+
if (range->click_child == RANGE_CLASS (range)->step_back)
- shadow_type = GTK_SHADOW_IN;
+ shadow_type = GTK_SHADOW_IN;
else
- shadow_type = GTK_SHADOW_OUT;
-
+ shadow_type = GTK_SHADOW_OUT;
+
gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back,
- state_type, shadow_type,
- NULL, GTK_WIDGET (range), "scrollbar",
- GTK_ARROW_UP,
- TRUE, 0, 0, -1, -1);
+ state_type, shadow_type,
+ NULL, GTK_WIDGET (range), "vscrollbar",
+ GTK_ARROW_UP,
+ TRUE, 0, 0, -1, -1);
}
}
@@ -305,7 +362,7 @@ gtk_vscrollbar_slider_update (GtkRange *range)
{
g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (range));
-
+
gtk_vscrollbar_calc_slider_size (GTK_VSCROLLBAR (range));
gtk_range_default_vslider_update (range);
}
@@ -321,50 +378,50 @@ gtk_vscrollbar_calc_slider_size (GtkVScrollbar *vscrollbar)
gint slider_height;
gint top, bottom;
gint height;
-
+
g_return_if_fail (vscrollbar != NULL);
g_return_if_fail (GTK_IS_VSCROLLBAR (vscrollbar));
-
+
if (GTK_WIDGET_REALIZED (vscrollbar))
{
range = GTK_RANGE (vscrollbar);
-
+
gdk_window_get_size (range->step_back, NULL, &step_back_height);
gdk_window_get_position (range->step_back, NULL, &step_back_y);
gdk_window_get_position (range->step_forw, NULL, &step_forw_y);
-
+
top = (step_back_y +
- step_back_height +
- RANGE_CLASS (vscrollbar)->stepper_slider_spacing);
+ step_back_height +
+ RANGE_CLASS (vscrollbar)->stepper_slider_spacing);
bottom = step_forw_y - RANGE_CLASS (vscrollbar)->stepper_slider_spacing;
height = bottom - top;
-
+
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;
-
- height = (height * range->adjustment->page_size /
- (range->adjustment->upper - range->adjustment->lower));
-
- if (height < RANGE_CLASS (vscrollbar)->min_slider_size)
- height = RANGE_CLASS (vscrollbar)->min_slider_size;
- }
-
+ (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;
+
+ height = (height * range->adjustment->page_size /
+ (range->adjustment->upper - range->adjustment->lower));
+
+ if (height < RANGE_CLASS (vscrollbar)->min_slider_size)
+ height = RANGE_CLASS (vscrollbar)->min_slider_size;
+ }
+
gdk_window_get_size (range->slider, &slider_width, &slider_height);
-
+
if (slider_height != height)
- gdk_window_resize (range->slider, slider_width, height);
+ gdk_window_resize (range->slider, slider_width, height);
}
}
static gint
gtk_vscrollbar_trough_keys(GtkRange *range,
- GdkEventKey *key,
- GtkScrollType *scroll,
- GtkTroughType *pos)
+ GdkEventKey *key,
+ GtkScrollType *scroll,
+ GtkTroughType *pos)
{
gint return_val = FALSE;
switch (key->keyval)
@@ -380,16 +437,16 @@ gtk_vscrollbar_trough_keys(GtkRange *range,
case GDK_Page_Up:
return_val = TRUE;
if (key->state & GDK_CONTROL_MASK)
- *pos = GTK_TROUGH_START;
+ *pos = GTK_TROUGH_START;
else
- *scroll = GTK_SCROLL_PAGE_BACKWARD;
+ *scroll = GTK_SCROLL_PAGE_BACKWARD;
break;
case GDK_Page_Down:
return_val = TRUE;
if (key->state & GDK_CONTROL_MASK)
- *pos = GTK_TROUGH_END;
+ *pos = GTK_TROUGH_END;
else
- *scroll = GTK_SCROLL_PAGE_FORWARD;
+ *scroll = GTK_SCROLL_PAGE_FORWARD;
break;
}
return return_val;