Add simple deadkey support.

2000-06-29  Jody Goldberg <jgoldberg@home.com>

	* e-canvas.c (e_canvas_init) : Init the InputContext members
	(e_canvas_class_init) : Add a handler for unrealize.
	(e_canvas_focus_in) : enable the input context.
	(e_canvas_focus_out) : enable the input context.
	(e_canvas_realize) : Create an input context.
	(e_canvas_unrealize) : New function to release the input context.

svn path=/trunk/; revision=3817
This commit is contained in:
Jody Goldberg
2000-06-29 22:56:51 +00:00
committed by Jody Goldberg
parent 9815b1b69b
commit 72c913ff20
5 changed files with 161 additions and 60 deletions

View File

@ -1,3 +1,12 @@
2000-06-29 Jody Goldberg <jgoldberg@home.com>
* e-canvas.c (e_canvas_init) : Init the InputContext members
(e_canvas_class_init) : Add a handler for unrealize.
(e_canvas_focus_in) : enable the input context.
(e_canvas_focus_out) : enable the input context.
(e_canvas_realize) : Create an input context.
(e_canvas_unrealize) : New function to release the input context.
2000-06-28 Dan Winship <danw@helixcode.com>
* e-html-utils.c (url_extract): add ")" to the set of characters

View File

@ -1,5 +1,5 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
/*
* e-canvas.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
@ -26,6 +26,7 @@ static void e_canvas_init (ECanvas *card);
static void e_canvas_destroy (GtkObject *object);
static void e_canvas_class_init (ECanvasClass *klass);
static void e_canvas_realize (GtkWidget *widget);
static void e_canvas_unrealize (GtkWidget *widget);
static gint e_canvas_key (GtkWidget *widget,
GdkEventKey *event);
@ -49,7 +50,7 @@ GtkType
e_canvas_get_type (void)
{
static GtkType canvas_type = 0;
if (!canvas_type)
{
static const GtkTypeInfo canvas_info =
@ -63,10 +64,10 @@ e_canvas_get_type (void)
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
}
return canvas_type;
}
@ -76,11 +77,11 @@ e_canvas_class_init (ECanvasClass *klass)
GtkObjectClass *object_class;
GnomeCanvasClass *canvas_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass*) klass;
canvas_class = (GnomeCanvasClass *) klass;
widget_class = (GtkWidgetClass *) klass;
parent_class = gtk_type_class (gnome_canvas_get_type ());
object_class->destroy = e_canvas_destroy;
@ -90,7 +91,8 @@ e_canvas_class_init (ECanvasClass *klass)
widget_class->focus_in_event = e_canvas_focus_in;
widget_class->focus_out_event = e_canvas_focus_out;
widget_class->realize = e_canvas_realize;
widget_class->unrealize = e_canvas_unrealize;
klass->reflow = NULL;
e_canvas_signals [REFLOW] =
@ -109,6 +111,8 @@ e_canvas_init (ECanvas *canvas)
{
canvas->selection = NULL;
canvas->cursor = NULL;
canvas->ic = NULL;
canvas->ic_attr = NULL;
}
static void
@ -307,13 +311,13 @@ e_canvas_item_grab_focus (GnomeCanvasItem *item)
if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
}
if (focused_item) {
ev.focus_change.type = GDK_FOCUS_CHANGE;
ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
ev.focus_change.send_event = FALSE;
ev.focus_change.in = TRUE;
emit_event (item->canvas, &ev);
}
}
@ -323,11 +327,16 @@ static gint
e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
{
GnomeCanvas *canvas;
ECanvas *ecanvas;
canvas = GNOME_CANVAS (widget);
ecanvas = E_CANVAS (widget);
GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
if (ecanvas->ic)
gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
if (canvas->focused_item)
return emit_event (canvas, (GdkEvent *) event);
else
@ -344,6 +353,8 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
gdk_im_end ();
if (canvas->focused_item)
return emit_event (canvas, (GdkEvent *) event);
else
@ -353,10 +364,52 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
static void
e_canvas_realize (GtkWidget *widget)
{
ECanvas *ecanvas = E_CANVAS (widget);
if (GTK_WIDGET_CLASS (parent_class)->realize)
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
GdkEventMask mask;
GdkICAttr *attr = ecanvas->ic_attr;
GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
GdkIMStyle style;
GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
GDK_IM_PREEDIT_NOTHING |
GDK_IM_STATUS_NONE |
GDK_IM_STATUS_NOTHING;
attr->style = style = gdk_im_decide_style (supported_style);
attr->client_window = ecanvas->parent.layout.bin_window;
ecanvas->ic = gdk_ic_new (attr, attrmask);
if (ecanvas->ic != NULL) {
mask = gdk_window_get_events (attr->client_window);
mask |= gdk_ic_get_events (ecanvas->ic);
gdk_window_set_events (attr->client_window, mask);
if (GTK_WIDGET_HAS_FOCUS (widget))
gdk_im_begin (ecanvas->ic, attr->client_window);
} else
g_warning ("Can't create input context.");
}
}
static void
e_canvas_unrealize (GtkWidget *widget)
{
ECanvas * ecanvas = E_CANVAS (widget);
if (ecanvas->ic) {
gdk_ic_destroy (ecanvas->ic);
ecanvas->ic = NULL;
}
if (ecanvas->ic_attr) {
gdk_ic_attr_destroy (ecanvas->ic_attr);
ecanvas->ic_attr = NULL;
}
}
static void
@ -374,7 +427,7 @@ e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
e_canvas_item_invoke_reflow (child, flags);
}
}
if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
ECanvasItemReflowFunc func;
func = gtk_object_get_data (GTK_OBJECT (item),
@ -504,16 +557,16 @@ e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
canvas->selection = NULL;
gnome_canvas_item_grab_focus(item);
info = g_new(ECanvasSelectionInfo, 1);
info->item = item;
info->id = id;
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}
@ -535,16 +588,16 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
g_return_if_fail(item->canvas != NULL);
g_return_if_fail(E_IS_CANVAS(item->canvas));
flags = E_CANVAS_ITEM_SELECTION_SELECT;
canvas = E_CANVAS(item->canvas);
if (canvas->cursor) {
func = gtk_object_get_data(GTK_OBJECT(canvas->cursor->item), "ECanvasItem::selection_callback");
if (func)
func(canvas->cursor->item, flags, canvas->cursor->id);
}
gnome_canvas_item_grab_focus(item);
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
@ -556,7 +609,7 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}
@ -579,7 +632,7 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
for (list = canvas->selection; list; list = g_list_next(list)) {
info = list->data;
if (info->item == item) {
ECanvasItemSelectionCompareFunc compare_func;
compare_func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_compare_callback");
@ -601,14 +654,3 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
}
}
}

View File

@ -78,6 +78,10 @@ struct _ECanvas
int idle_id;
GList *selection;
ECanvasSelectionInfo *cursor;
/* Input context for dead key support */
GdkIC *ic;
GdkICAttr *ic_attr;
};
struct _ECanvasClass

View File

@ -1,5 +1,5 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
/*
* e-canvas.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
@ -26,6 +26,7 @@ static void e_canvas_init (ECanvas *card);
static void e_canvas_destroy (GtkObject *object);
static void e_canvas_class_init (ECanvasClass *klass);
static void e_canvas_realize (GtkWidget *widget);
static void e_canvas_unrealize (GtkWidget *widget);
static gint e_canvas_key (GtkWidget *widget,
GdkEventKey *event);
@ -49,7 +50,7 @@ GtkType
e_canvas_get_type (void)
{
static GtkType canvas_type = 0;
if (!canvas_type)
{
static const GtkTypeInfo canvas_info =
@ -63,10 +64,10 @@ e_canvas_get_type (void)
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
}
return canvas_type;
}
@ -76,11 +77,11 @@ e_canvas_class_init (ECanvasClass *klass)
GtkObjectClass *object_class;
GnomeCanvasClass *canvas_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass*) klass;
canvas_class = (GnomeCanvasClass *) klass;
widget_class = (GtkWidgetClass *) klass;
parent_class = gtk_type_class (gnome_canvas_get_type ());
object_class->destroy = e_canvas_destroy;
@ -90,7 +91,8 @@ e_canvas_class_init (ECanvasClass *klass)
widget_class->focus_in_event = e_canvas_focus_in;
widget_class->focus_out_event = e_canvas_focus_out;
widget_class->realize = e_canvas_realize;
widget_class->unrealize = e_canvas_unrealize;
klass->reflow = NULL;
e_canvas_signals [REFLOW] =
@ -109,6 +111,8 @@ e_canvas_init (ECanvas *canvas)
{
canvas->selection = NULL;
canvas->cursor = NULL;
canvas->ic = NULL;
canvas->ic_attr = NULL;
}
static void
@ -307,13 +311,13 @@ e_canvas_item_grab_focus (GnomeCanvasItem *item)
if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
}
if (focused_item) {
ev.focus_change.type = GDK_FOCUS_CHANGE;
ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
ev.focus_change.send_event = FALSE;
ev.focus_change.in = TRUE;
emit_event (item->canvas, &ev);
}
}
@ -323,11 +327,16 @@ static gint
e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
{
GnomeCanvas *canvas;
ECanvas *ecanvas;
canvas = GNOME_CANVAS (widget);
ecanvas = E_CANVAS (widget);
GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
if (ecanvas->ic)
gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
if (canvas->focused_item)
return emit_event (canvas, (GdkEvent *) event);
else
@ -344,6 +353,8 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
gdk_im_end ();
if (canvas->focused_item)
return emit_event (canvas, (GdkEvent *) event);
else
@ -353,10 +364,52 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
static void
e_canvas_realize (GtkWidget *widget)
{
ECanvas *ecanvas = E_CANVAS (widget);
if (GTK_WIDGET_CLASS (parent_class)->realize)
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
GdkEventMask mask;
GdkICAttr *attr = ecanvas->ic_attr;
GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
GdkIMStyle style;
GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
GDK_IM_PREEDIT_NOTHING |
GDK_IM_STATUS_NONE |
GDK_IM_STATUS_NOTHING;
attr->style = style = gdk_im_decide_style (supported_style);
attr->client_window = ecanvas->parent.layout.bin_window;
ecanvas->ic = gdk_ic_new (attr, attrmask);
if (ecanvas->ic != NULL) {
mask = gdk_window_get_events (attr->client_window);
mask |= gdk_ic_get_events (ecanvas->ic);
gdk_window_set_events (attr->client_window, mask);
if (GTK_WIDGET_HAS_FOCUS (widget))
gdk_im_begin (ecanvas->ic, attr->client_window);
} else
g_warning ("Can't create input context.");
}
}
static void
e_canvas_unrealize (GtkWidget *widget)
{
ECanvas * ecanvas = E_CANVAS (widget);
if (ecanvas->ic) {
gdk_ic_destroy (ecanvas->ic);
ecanvas->ic = NULL;
}
if (ecanvas->ic_attr) {
gdk_ic_attr_destroy (ecanvas->ic_attr);
ecanvas->ic_attr = NULL;
}
}
static void
@ -374,7 +427,7 @@ e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
e_canvas_item_invoke_reflow (child, flags);
}
}
if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
ECanvasItemReflowFunc func;
func = gtk_object_get_data (GTK_OBJECT (item),
@ -504,16 +557,16 @@ e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
canvas->selection = NULL;
gnome_canvas_item_grab_focus(item);
info = g_new(ECanvasSelectionInfo, 1);
info->item = item;
info->id = id;
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}
@ -535,16 +588,16 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
g_return_if_fail(item->canvas != NULL);
g_return_if_fail(E_IS_CANVAS(item->canvas));
flags = E_CANVAS_ITEM_SELECTION_SELECT;
canvas = E_CANVAS(item->canvas);
if (canvas->cursor) {
func = gtk_object_get_data(GTK_OBJECT(canvas->cursor->item), "ECanvasItem::selection_callback");
if (func)
func(canvas->cursor->item, flags, canvas->cursor->id);
}
gnome_canvas_item_grab_focus(item);
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
@ -556,7 +609,7 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}
@ -579,7 +632,7 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
for (list = canvas->selection; list; list = g_list_next(list)) {
info = list->data;
if (info->item == item) {
ECanvasItemSelectionCompareFunc compare_func;
compare_func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_compare_callback");
@ -601,14 +654,3 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
}
}
}

View File

@ -78,6 +78,10 @@ struct _ECanvas
int idle_id;
GList *selection;
ECanvasSelectionInfo *cursor;
/* Input context for dead key support */
GdkIC *ic;
GdkICAttr *ic_attr;
};
struct _ECanvasClass