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:
committed by
Jody Goldberg
parent
9815b1b69b
commit
72c913ff20
@ -1,3 +1,12 @@
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2000-06-29 Jody Goldberg <jgoldberg@home.com>
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* e-canvas.c (e_canvas_init) : Init the InputContext members
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(e_canvas_class_init) : Add a handler for unrealize.
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(e_canvas_focus_in) : enable the input context.
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(e_canvas_focus_out) : enable the input context.
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(e_canvas_realize) : Create an input context.
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(e_canvas_unrealize) : New function to release the input context.
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2000-06-28 Dan Winship <danw@helixcode.com>
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* e-html-utils.c (url_extract): add ")" to the set of characters
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@ -1,5 +1,5 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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/*
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* e-canvas.c
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* Copyright (C) 2000 Helix Code, Inc.
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* Author: Chris Lahey <clahey@helixcode.com>
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@ -26,6 +26,7 @@ static void e_canvas_init (ECanvas *card);
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static void e_canvas_destroy (GtkObject *object);
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static void e_canvas_class_init (ECanvasClass *klass);
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static void e_canvas_realize (GtkWidget *widget);
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static void e_canvas_unrealize (GtkWidget *widget);
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static gint e_canvas_key (GtkWidget *widget,
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GdkEventKey *event);
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@ -49,7 +50,7 @@ GtkType
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e_canvas_get_type (void)
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{
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static GtkType canvas_type = 0;
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if (!canvas_type)
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{
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static const GtkTypeInfo canvas_info =
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@ -63,10 +64,10 @@ e_canvas_get_type (void)
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
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}
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return canvas_type;
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}
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@ -76,11 +77,11 @@ e_canvas_class_init (ECanvasClass *klass)
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GtkObjectClass *object_class;
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GnomeCanvasClass *canvas_class;
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GtkWidgetClass *widget_class;
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object_class = (GtkObjectClass*) klass;
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canvas_class = (GnomeCanvasClass *) klass;
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widget_class = (GtkWidgetClass *) klass;
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parent_class = gtk_type_class (gnome_canvas_get_type ());
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object_class->destroy = e_canvas_destroy;
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@ -90,7 +91,8 @@ e_canvas_class_init (ECanvasClass *klass)
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widget_class->focus_in_event = e_canvas_focus_in;
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widget_class->focus_out_event = e_canvas_focus_out;
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widget_class->realize = e_canvas_realize;
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widget_class->unrealize = e_canvas_unrealize;
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klass->reflow = NULL;
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e_canvas_signals [REFLOW] =
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@ -109,6 +111,8 @@ e_canvas_init (ECanvas *canvas)
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{
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canvas->selection = NULL;
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canvas->cursor = NULL;
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canvas->ic = NULL;
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canvas->ic_attr = NULL;
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}
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static void
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@ -307,13 +311,13 @@ e_canvas_item_grab_focus (GnomeCanvasItem *item)
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if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
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gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
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}
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if (focused_item) {
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ev.focus_change.type = GDK_FOCUS_CHANGE;
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ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
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ev.focus_change.send_event = FALSE;
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ev.focus_change.in = TRUE;
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emit_event (item->canvas, &ev);
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}
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}
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@ -323,11 +327,16 @@ static gint
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e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
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{
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GnomeCanvas *canvas;
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ECanvas *ecanvas;
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canvas = GNOME_CANVAS (widget);
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ecanvas = E_CANVAS (widget);
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GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
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if (ecanvas->ic)
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gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
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if (canvas->focused_item)
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return emit_event (canvas, (GdkEvent *) event);
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else
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@ -344,6 +353,8 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
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GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
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gdk_im_end ();
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if (canvas->focused_item)
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return emit_event (canvas, (GdkEvent *) event);
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else
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@ -353,10 +364,52 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
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static void
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e_canvas_realize (GtkWidget *widget)
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{
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ECanvas *ecanvas = E_CANVAS (widget);
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if (GTK_WIDGET_CLASS (parent_class)->realize)
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(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
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gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
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if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
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GdkEventMask mask;
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GdkICAttr *attr = ecanvas->ic_attr;
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GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
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GdkIMStyle style;
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GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
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GDK_IM_PREEDIT_NOTHING |
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GDK_IM_STATUS_NONE |
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GDK_IM_STATUS_NOTHING;
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attr->style = style = gdk_im_decide_style (supported_style);
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attr->client_window = ecanvas->parent.layout.bin_window;
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ecanvas->ic = gdk_ic_new (attr, attrmask);
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if (ecanvas->ic != NULL) {
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mask = gdk_window_get_events (attr->client_window);
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mask |= gdk_ic_get_events (ecanvas->ic);
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gdk_window_set_events (attr->client_window, mask);
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if (GTK_WIDGET_HAS_FOCUS (widget))
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gdk_im_begin (ecanvas->ic, attr->client_window);
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} else
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g_warning ("Can't create input context.");
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}
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}
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static void
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e_canvas_unrealize (GtkWidget *widget)
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{
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ECanvas * ecanvas = E_CANVAS (widget);
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if (ecanvas->ic) {
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gdk_ic_destroy (ecanvas->ic);
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ecanvas->ic = NULL;
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}
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if (ecanvas->ic_attr) {
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gdk_ic_attr_destroy (ecanvas->ic_attr);
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ecanvas->ic_attr = NULL;
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}
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}
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static void
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@ -374,7 +427,7 @@ e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
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e_canvas_item_invoke_reflow (child, flags);
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}
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}
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if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
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ECanvasItemReflowFunc func;
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func = gtk_object_get_data (GTK_OBJECT (item),
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@ -504,16 +557,16 @@ e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
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canvas->selection = NULL;
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gnome_canvas_item_grab_focus(item);
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info = g_new(ECanvasSelectionInfo, 1);
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info->item = item;
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info->id = id;
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flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
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func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
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if (func)
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func(item, flags, id);
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canvas->selection = g_list_prepend(canvas->selection, info);
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canvas->cursor = info;
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}
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@ -535,16 +588,16 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
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g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
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g_return_if_fail(item->canvas != NULL);
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g_return_if_fail(E_IS_CANVAS(item->canvas));
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flags = E_CANVAS_ITEM_SELECTION_SELECT;
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canvas = E_CANVAS(item->canvas);
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if (canvas->cursor) {
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func = gtk_object_get_data(GTK_OBJECT(canvas->cursor->item), "ECanvasItem::selection_callback");
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if (func)
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func(canvas->cursor->item, flags, canvas->cursor->id);
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}
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gnome_canvas_item_grab_focus(item);
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flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
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@ -556,7 +609,7 @@ e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
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func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
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if (func)
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func(item, flags, id);
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canvas->selection = g_list_prepend(canvas->selection, info);
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canvas->cursor = info;
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}
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@ -579,7 +632,7 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
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for (list = canvas->selection; list; list = g_list_next(list)) {
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info = list->data;
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if (info->item == item) {
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ECanvasItemSelectionCompareFunc compare_func;
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compare_func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_compare_callback");
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@ -601,14 +654,3 @@ e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
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}
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}
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}
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@ -78,6 +78,10 @@ struct _ECanvas
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int idle_id;
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GList *selection;
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ECanvasSelectionInfo *cursor;
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/* Input context for dead key support */
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GdkIC *ic;
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GdkICAttr *ic_attr;
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};
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struct _ECanvasClass
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@ -1,5 +1,5 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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/*
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* e-canvas.c
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* Copyright (C) 2000 Helix Code, Inc.
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* Author: Chris Lahey <clahey@helixcode.com>
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@ -26,6 +26,7 @@ static void e_canvas_init (ECanvas *card);
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static void e_canvas_destroy (GtkObject *object);
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static void e_canvas_class_init (ECanvasClass *klass);
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static void e_canvas_realize (GtkWidget *widget);
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static void e_canvas_unrealize (GtkWidget *widget);
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static gint e_canvas_key (GtkWidget *widget,
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GdkEventKey *event);
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@ -49,7 +50,7 @@ GtkType
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e_canvas_get_type (void)
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{
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static GtkType canvas_type = 0;
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if (!canvas_type)
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{
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static const GtkTypeInfo canvas_info =
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@ -63,10 +64,10 @@ e_canvas_get_type (void)
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
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}
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return canvas_type;
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}
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@ -76,11 +77,11 @@ e_canvas_class_init (ECanvasClass *klass)
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GtkObjectClass *object_class;
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GnomeCanvasClass *canvas_class;
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GtkWidgetClass *widget_class;
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object_class = (GtkObjectClass*) klass;
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canvas_class = (GnomeCanvasClass *) klass;
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widget_class = (GtkWidgetClass *) klass;
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parent_class = gtk_type_class (gnome_canvas_get_type ());
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object_class->destroy = e_canvas_destroy;
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@ -90,7 +91,8 @@ e_canvas_class_init (ECanvasClass *klass)
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widget_class->focus_in_event = e_canvas_focus_in;
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widget_class->focus_out_event = e_canvas_focus_out;
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widget_class->realize = e_canvas_realize;
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widget_class->unrealize = e_canvas_unrealize;
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klass->reflow = NULL;
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e_canvas_signals [REFLOW] =
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@ -109,6 +111,8 @@ e_canvas_init (ECanvas *canvas)
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{
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canvas->selection = NULL;
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canvas->cursor = NULL;
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canvas->ic = NULL;
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canvas->ic_attr = NULL;
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}
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static void
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@ -307,13 +311,13 @@ e_canvas_item_grab_focus (GnomeCanvasItem *item)
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if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
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gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
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}
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if (focused_item) {
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ev.focus_change.type = GDK_FOCUS_CHANGE;
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ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
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ev.focus_change.send_event = FALSE;
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ev.focus_change.in = TRUE;
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emit_event (item->canvas, &ev);
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}
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}
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@ -323,11 +327,16 @@ static gint
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e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
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{
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GnomeCanvas *canvas;
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ECanvas *ecanvas;
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canvas = GNOME_CANVAS (widget);
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ecanvas = E_CANVAS (widget);
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GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
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if (ecanvas->ic)
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gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
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if (canvas->focused_item)
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return emit_event (canvas, (GdkEvent *) event);
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else
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@ -344,6 +353,8 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
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GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
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gdk_im_end ();
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if (canvas->focused_item)
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return emit_event (canvas, (GdkEvent *) event);
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else
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@ -353,10 +364,52 @@ e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
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static void
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e_canvas_realize (GtkWidget *widget)
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{
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ECanvas *ecanvas = E_CANVAS (widget);
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if (GTK_WIDGET_CLASS (parent_class)->realize)
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(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
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gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
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if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
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GdkEventMask mask;
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GdkICAttr *attr = ecanvas->ic_attr;
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GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
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GdkIMStyle style;
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GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
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GDK_IM_PREEDIT_NOTHING |
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GDK_IM_STATUS_NONE |
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GDK_IM_STATUS_NOTHING;
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attr->style = style = gdk_im_decide_style (supported_style);
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attr->client_window = ecanvas->parent.layout.bin_window;
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ecanvas->ic = gdk_ic_new (attr, attrmask);
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if (ecanvas->ic != NULL) {
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mask = gdk_window_get_events (attr->client_window);
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mask |= gdk_ic_get_events (ecanvas->ic);
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gdk_window_set_events (attr->client_window, mask);
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if (GTK_WIDGET_HAS_FOCUS (widget))
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gdk_im_begin (ecanvas->ic, attr->client_window);
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} else
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g_warning ("Can't create input context.");
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}
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}
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static void
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e_canvas_unrealize (GtkWidget *widget)
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{
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ECanvas * ecanvas = E_CANVAS (widget);
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if (ecanvas->ic) {
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gdk_ic_destroy (ecanvas->ic);
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ecanvas->ic = NULL;
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}
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if (ecanvas->ic_attr) {
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gdk_ic_attr_destroy (ecanvas->ic_attr);
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ecanvas->ic_attr = NULL;
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}
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}
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static void
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@ -374,7 +427,7 @@ e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
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e_canvas_item_invoke_reflow (child, flags);
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}
|
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}
|
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|
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|
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if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
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ECanvasItemReflowFunc func;
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func = gtk_object_get_data (GTK_OBJECT (item),
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@ -504,16 +557,16 @@ e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
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canvas->selection = NULL;
|
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gnome_canvas_item_grab_focus(item);
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|
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|
||||
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)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -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
|
||||
|
||||
Reference in New Issue
Block a user