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98d3fdbedde0fb8fc0c70c3e9c384b59ecbeedac
wxWidgets/src/gtk1/win_gtk.c
Robert Roebling 98d3fdbedd Removed bug that made wxWindow call OnPaint 
twice and return wrog values for GetClientSize()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2999 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-07-14 15:36:37 +00:00

729 lines
19 KiB
C
Raw Blame History

/* ///////////////////////////////////////////////////////////////////////////
// Name: win_gtk.c
// Purpose: native GTK+ widget for wxWindows
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////// */
#include "wx/gtk/win_gtk.h"
#include "gtk/gtksignal.h"
#include "gtk/gtknotebook.h"
#include "gtk/gtkscrolledwindow.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
static void gtk_myfixed_class_init (GtkMyFixedClass *klass);
static void gtk_myfixed_init (GtkMyFixed *myfixed);
static void gtk_myfixed_map (GtkWidget *widget);
#if (GTK_MINOR_VERSION == 0)
static void gtk_myfixed_unmap (GtkWidget *widget);
#endif
static void gtk_myfixed_realize (GtkWidget *widget);
static void gtk_myfixed_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_myfixed_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_myfixed_paint (GtkWidget *widget,
GdkRectangle *area);
static void gtk_myfixed_draw (GtkWidget *widget,
GdkRectangle *area);
static gint gtk_myfixed_expose (GtkWidget *widget,
GdkEventExpose *event);
static void gtk_myfixed_add (GtkContainer *container,
GtkWidget *widget);
static void gtk_myfixed_remove (GtkContainer *container,
GtkWidget *widget);
static void gtk_myfixed_foreach (GtkContainer *container,
#if (GTK_MINOR_VERSION > 0)
gboolean include_internals,
#endif
GtkCallback callback,
gpointer callback_data);
#if (GTK_MINOR_VERSION > 0)
static GtkType gtk_myfixed_child_type (GtkContainer *container);
#endif
#if (GTK_MINOR_VERSION > 0)
static void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
GtkAdjustment *hadj,
GtkAdjustment *vadj);
#endif
static GtkContainerClass *parent_class = NULL;
guint
gtk_myfixed_get_type ()
{
static guint myfixed_type = 0;
if (!myfixed_type)
{
GtkTypeInfo myfixed_info =
{
"GtkMyFixed",
sizeof (GtkMyFixed),
sizeof (GtkMyFixedClass),
(GtkClassInitFunc) gtk_myfixed_class_init,
(GtkObjectInitFunc) gtk_myfixed_init,
#if (GTK_MINOR_VERSION > 0)
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
#else
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
#endif
};
myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
}
return myfixed_type;
}
static void
gtk_myfixed_class_init (GtkMyFixedClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
container_class = (GtkContainerClass*) klass;
#if (GTK_MINOR_VERSION > 0)
parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
#else
parent_class = gtk_type_class (gtk_container_get_type ());
#endif
widget_class->map = gtk_myfixed_map;
#if (GTK_MINOR_VERSION == 0)
widget_class->unmap = gtk_myfixed_unmap;
#endif
widget_class->realize = gtk_myfixed_realize;
widget_class->size_request = gtk_myfixed_size_request;
widget_class->size_allocate = gtk_myfixed_size_allocate;
widget_class->draw = gtk_myfixed_draw;
widget_class->expose_event = gtk_myfixed_expose;
container_class->add = gtk_myfixed_add;
container_class->remove = gtk_myfixed_remove;
#if (GTK_MINOR_VERSION > 0)
container_class->forall = gtk_myfixed_foreach;
#else
container_class->foreach = gtk_myfixed_foreach;
#endif
#if (GTK_MINOR_VERSION > 0)
container_class->child_type = gtk_myfixed_child_type;
#endif
#if (GTK_MINOR_VERSION > 0)
klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments;
widget_class->set_scroll_adjustments_signal =
gtk_signal_new ("set_scroll_adjustments",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
#endif
}
#if (GTK_MINOR_VERSION > 0)
static GtkType
gtk_myfixed_child_type (GtkContainer *container)
{
return GTK_TYPE_WIDGET;
}
#endif
static void
gtk_myfixed_init (GtkMyFixed *myfixed)
{
GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
#if (GTK_MINOR_VERSION == 0)
GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
#endif
#if (GTK_MINOR_VERSION > 0)
myfixed->shadow_type = GTK_SHADOW_NONE;
#endif
myfixed->children = NULL;
}
GtkWidget*
gtk_myfixed_new ()
{
GtkMyFixed *myfixed;
myfixed = gtk_type_new (gtk_myfixed_get_type ());
return GTK_WIDGET (myfixed);
}
#if (GTK_MINOR_VERSION > 0)
void
gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
GtkAdjustment *hadj,
GtkAdjustment *vadj)
{
/* OK, this is embarassing, but this function has to be here */
}
void
gtk_myfixed_set_shadow_type (GtkMyFixed *myfixed,
GtkShadowType type)
{
g_return_if_fail (myfixed != NULL);
g_return_if_fail (GTK_IS_MYFIXED (myfixed));
if ((GtkShadowType) myfixed->shadow_type != type)
{
myfixed->shadow_type = type;
if (GTK_WIDGET_VISIBLE (myfixed))
{
gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation));
gtk_widget_queue_draw (GTK_WIDGET (myfixed));
}
}
}
#endif
void
gtk_myfixed_put (GtkMyFixed *myfixed,
GtkWidget *widget,
gint16 x,
gint16 y,
gint16 width,
gint16 height)
{
GtkMyFixedChild *child_info;
g_return_if_fail (myfixed != NULL);
g_return_if_fail (GTK_IS_MYFIXED (myfixed));
g_return_if_fail (widget != NULL);
child_info = g_new (GtkMyFixedChild, 1);
child_info->widget = widget;
child_info->x = x;
child_info->y = y;
child_info->width = width;
child_info->height = height;
gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
myfixed->children = g_list_append (myfixed->children, child_info);
if (GTK_WIDGET_REALIZED (myfixed))
gtk_widget_realize (widget);
if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget))
{
if (GTK_WIDGET_MAPPED (myfixed))
gtk_widget_map (widget);
gtk_widget_queue_resize (GTK_WIDGET (myfixed));
}
}
void
gtk_myfixed_move (GtkMyFixed *myfixed,
GtkWidget *widget,
gint16 x,
gint16 y)
{
GtkMyFixedChild *child;
GList *children;
g_return_if_fail (myfixed != NULL);
g_return_if_fail (GTK_IS_MYFIXED (myfixed));
g_return_if_fail (widget != NULL);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (child->widget == widget)
{
gtk_myfixed_set_size( myfixed, widget, x, y, child->width, child->height );
break;
}
}
}
void
gtk_myfixed_resize (GtkMyFixed *myfixed,
GtkWidget *widget,
gint16 width,
gint16 height)
{
GtkMyFixedChild *child;
GList *children;
g_return_if_fail (myfixed != NULL);
g_return_if_fail (GTK_IS_MYFIXED (myfixed));
g_return_if_fail (widget != NULL);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (child->widget == widget)
{
gtk_myfixed_set_size( myfixed, widget, child->x, child->y, width, height );
break;
}
}
}
void
gtk_myfixed_set_size (GtkMyFixed *myfixed,
GtkWidget *widget,
gint16 x,
gint16 y,
gint16 width,
gint16 height)
{
GtkMyFixedChild *child;
GList *children;
GtkAllocation child_allocation;
g_return_if_fail (myfixed != NULL);
g_return_if_fail (GTK_IS_MYFIXED (myfixed));
g_return_if_fail (widget != NULL);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (child->widget == widget)
{
if ((child->x == x) &&
(child->y == y) &&
(child->width == width) &&
(child->height == height)) return;
child->x = x;
child->y = y;
child->width = width;
child->height = height;
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
{
if ( (child->width > 1) &&
(child->height > 1) &&
!(GTK_WIDGET_REALIZED(widget) && GTK_IS_NOTEBOOK(widget)) )
{
child_allocation.x = child->x;
child_allocation.y = child->y;
child_allocation.width = MAX( child->width, 1 );
child_allocation.height = MAX( child->height, 1 );
/* work around for GTK bug when moving widgets outside
the X window -> do NOT move them entirely outside */
if (child_allocation.y + child_allocation.height < 0)
child_allocation.y = -child_allocation.height;
if (child_allocation.x + child_allocation.width < 0)
child_allocation.x = -child_allocation.width;
gtk_widget_size_allocate (widget, &child_allocation);
}
else
{
gtk_widget_queue_resize (GTK_WIDGET (myfixed));
}
}
break;
}
}
}
static void
gtk_myfixed_map (GtkWidget *widget)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
myfixed = GTK_MYFIXED (widget);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget))
gtk_widget_map (child->widget);
}
gdk_window_show (widget->window);
}
#if (GTK_MINOR_VERSION == 0)
static void
gtk_myfixed_unmap (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
}
#endif
static void
gtk_myfixed_realize (GtkWidget *widget)
{
GtkMyFixed *myfixed;
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
myfixed = GTK_MYFIXED (widget);
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
attributes.window_type = GDK_WINDOW_CHILD;
#if (GTK_MINOR_VERSION > 0)
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
if (myfixed->shadow_type != GTK_SHADOW_NONE)
{
attributes.x += 2;
attributes.y += 2;
attributes.width -= 4;
attributes.height -= 4;
}
if (attributes.width < 2) attributes.width = 2;
if (attributes.height < 2) attributes.height = 2;
#else
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = 32000;
attributes.height = 32000;
#endif
attributes.wclass = GDK_INPUT_OUTPUT;
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_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON2_MOTION_MASK |
GDK_BUTTON3_MOTION_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_FOCUS_CHANGE_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);
gdk_window_set_user_data (widget->window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}
static void
gtk_myfixed_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GList *children;
GtkRequisition child_requisition;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
g_return_if_fail (requisition != NULL);
myfixed = GTK_MYFIXED (widget);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (child->widget))
{
gtk_widget_size_request (child->widget, &child_requisition);
}
}
/* request very little, I'm not sure if requesting nothing
will always have positive effects on stability... */
requisition->width = 2;
requisition->height = 2;
}
static void
gtk_myfixed_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkMyFixed *myfixed;
gint border;
GtkMyFixedChild *child;
GtkAllocation child_allocation;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED(widget));
g_return_if_fail (allocation != NULL);
myfixed = GTK_MYFIXED (widget);
widget->allocation = *allocation;
#if (GTK_MINOR_VERSION > 0)
if (myfixed->shadow_type == GTK_SHADOW_NONE)
border = 0;
else
border = 2;
#else
border = 0;
#endif
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize( widget->window,
allocation->x+border, allocation->y+border,
#if (GTK_MINOR_VERSION > 0)
allocation->width-border*2, allocation->height-border*2
#else
32000, 32000
#endif
);
}
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_WIDGET_VISIBLE (child->widget))
{
/* please look at the text in wxWindow::DoSetSize() on why the
test GTK_WIDGET_REALIZED() has to be here */
/* if (GTK_IS_NOTEBOOK(child->widget) && !GTK_WIDGET_REALIZED(child->widget))
{
gtk_widget_queue_resize( child->widget );
}
else */
{
child_allocation.x = child->x;
child_allocation.y = child->y;
child_allocation.width = MAX( child->width, 1 );
child_allocation.height = MAX( child->height, 1 );
/* work around for GTK bug when moving widgets outside
the X window -> do NOT move them entirely outside */
if (child_allocation.y + child_allocation.height < 0)
child_allocation.y = -child_allocation.height;
if (child_allocation.x + child_allocation.width < 0)
child_allocation.x = -child_allocation.width;
gtk_widget_size_allocate (child->widget, &child_allocation);
}
}
}
}
static void
gtk_myfixed_paint (GtkWidget *widget,
GdkRectangle *area)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_DRAWABLE (widget))
gdk_window_clear_area (widget->window,
area->x, area->y,
area->width, area->height);
}
static void
gtk_myfixed_draw (GtkWidget *widget,
GdkRectangle *area)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GdkRectangle child_area;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MYFIXED (widget));
if (GTK_WIDGET_DRAWABLE (widget))
{
myfixed = GTK_MYFIXED (widget);
gtk_myfixed_paint (widget, area);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_intersect (child->widget, area, &child_area))
gtk_widget_draw (child->widget, &child_area);
}
}
}
static gint
gtk_myfixed_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GdkEventExpose child_event;
GList *children;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
myfixed = GTK_MYFIXED (widget);
child_event = *event;
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_WIDGET_NO_WINDOW (child->widget) &&
gtk_widget_intersect (child->widget, &event->area,
&child_event.area))
gtk_widget_event (child->widget, (GdkEvent*) &child_event);
}
}
return FALSE;
}
static void
gtk_myfixed_add (GtkContainer *container,
GtkWidget *widget)
{
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_MYFIXED (container));
g_return_if_fail (widget != NULL);
gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 );
}
static void
gtk_myfixed_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GList *children;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_MYFIXED (container));
g_return_if_fail (widget != NULL);
myfixed = GTK_MYFIXED (container);
children = myfixed->children;
while (children)
{
child = children->data;
if (child->widget == widget)
{
gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
gtk_widget_unparent (widget);
myfixed->children = g_list_remove_link (myfixed->children, children);
g_list_free (children);
g_free (child);
if (was_visible && GTK_WIDGET_VISIBLE (container))
gtk_widget_queue_resize (GTK_WIDGET (container));
break;
}
children = children->next;
}
}
static void
gtk_myfixed_foreach (GtkContainer *container,
#if (GTK_MINOR_VERSION > 0)
gboolean include_internals,
#endif
GtkCallback callback,
gpointer callback_data)
{
GtkMyFixed *myfixed;
GtkMyFixedChild *child;
GList *children;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_MYFIXED (container));
g_return_if_fail (callback != NULL);
myfixed = GTK_MYFIXED (container);
children = myfixed->children;
while (children)
{
child = children->data;
children = children->next;
(* callback) (child->widget, callback_data);
}
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
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