1 /* A Gtk Widget that inherits GtkFixed, but can be shrunk.
2 This file is only use when compiling with Gtk+ 3.
4 Copyright (C) 2011-2015 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
29 #include "emacsgtkfixed.h"
31 /* Silence a bogus diagnostic; see GNOME bug 683906. */
32 #if 4 < __GNUC__ + (7 <= __GNUC_MINOR__)
33 # pragma GCC diagnostic push
34 # pragma GCC diagnostic ignored "-Wunused-local-typedefs"
37 //#define EMACS_TYPE_FIXED emacs_fixed_get_type ()
38 /* #define EMACS_FIXED(obj) \ */
39 /* G_TYPE_CHECK_INSTANCE_CAST (obj, EMACS_TYPE_FIXED, EmacsFixed) */
41 typedef struct _EmacsFixed EmacsFixed
;
42 typedef struct _EmacsFixedPrivate EmacsFixedPrivate
;
43 typedef struct _EmacsFixedClass EmacsFixedClass
;
45 /* struct _EmacsFixed */
47 /* GtkFixed container; */
49 /* /\*< private >*\/ */
50 /* EmacsFixedPrivate *priv; */
53 /* struct _EmacsFixedClass */
55 /* GtkFixedClass parent_class; */
58 struct _EmacsFixedPrivate
64 static void emacs_fixed_get_preferred_width (GtkWidget
*widget
,
67 static void emacs_fixed_get_preferred_height (GtkWidget
*widget
,
70 G_DEFINE_TYPE (EmacsFixed
, emacs_fixed
, GTK_TYPE_FIXED
)
73 /* void aloc_callback(GtkWidget* child, GtkWidget* fixed){ */
74 /* GtkAllocation child_allocation; */
75 /* GtkRequisition child_requisition; */
78 /* // if child is an xwidget, find its clipping area and modify allocation */
80 /* struct xwidget_view* xv = (struct xwidget_view*) g_object_get_data (G_OBJECT (child), XG_XWIDGET_VIEW); */
81 /* printf("aloc callback %d %s\n", xv, gtk_widget_get_name(child)); */
83 /* printf(" allocation modification for xw\n"); */
84 /* gtk_widget_get_allocation(child, &child_allocation); */
85 /* child_allocation.width = xv->clip_right; */
86 /* child_allocation.height = xv->clip_bottom - xv->clip_top; */
87 /* gtk_widget_size_allocate (child, &child_allocation); */
88 /* //TODO find a way to remove this feeble workaround */
93 struct GtkFixedPrivateL
98 static void emacs_fixed_gtk_widget_size_allocate (GtkWidget
*widget
,
99 GtkAllocation
*allocation
){
103 //TODO 1st call base class method
104 EmacsFixedClass
*klass
;
105 GtkWidgetClass
*parent_class
;
106 struct GtkFixedPrivateL
* priv
;
107 GtkFixedChild
*child
;
108 GtkAllocation child_allocation
;
109 GtkRequisition child_requisition
;
111 struct xwidget_view
* xv
;
113 // printf(" emacs_fixed_gtk_widget_size_allocate\n");
114 klass
= EMACS_FIXED_GET_CLASS (widget
);
115 parent_class
= g_type_class_peek_parent (klass
);
116 parent_class
->size_allocate (widget
, allocation
);
118 priv
= G_TYPE_INSTANCE_GET_PRIVATE (widget
,
120 struct GtkFixedPrivateL
);
121 //fixed->priv = G_TYPE_INSTANCE_GET_PRIVATE (fixed, GTK_TYPE_FIXED, GtkFixedPrivate);
122 //then modify allocations
123 /* gtk_container_foreach (widget, */
127 //begin copy paste extravaganza!!!
129 //GtkFixed *fixed = GTK_FIXED (widget);
130 //GtkFixedPrivate *priv = fixed->priv;
133 gtk_widget_set_allocation (widget
, allocation
);
135 if (gtk_widget_get_has_window (widget
))
137 if (gtk_widget_get_realized (widget
))
138 gdk_window_move_resize (gtk_widget_get_window (widget
),
145 for (children
= priv
->children
;
147 children
= children
->next
)
149 child
= children
->data
;
151 if (!gtk_widget_get_visible (child
->widget
))
154 gtk_widget_get_preferred_size (child
->widget
, &child_requisition
, NULL
);
155 child_allocation
.x
= child
->x
;
156 child_allocation
.y
= child
->y
;
158 if (!gtk_widget_get_has_window (widget
))
160 child_allocation
.x
+= allocation
->x
;
161 child_allocation
.y
+= allocation
->y
;
164 child_allocation
.width
= child_requisition
.width
;
165 child_allocation
.height
= child_requisition
.height
;
169 xv
= (struct xwidget_view
*) g_object_get_data (G_OBJECT (child
->widget
), XG_XWIDGET_VIEW
);
170 //printf("aloc callback %d %s\n", xv, gtk_widget_get_name(child));
172 //gtk_widget_get_allocation(child, &child_allocation);
173 child_allocation
.width
= xv
->clip_right
;
174 child_allocation
.height
= xv
->clip_bottom
- xv
->clip_top
;
175 //gtk_widget_size_allocate (child, &child_allocation);
176 //TODO find a way to remove this feeble workaround
177 // printf(" allocation internal modification for xw %d %d,%d\n",xv, child_allocation.width, child_allocation.height);
180 gtk_widget_size_allocate (child
->widget
, &child_allocation
);
186 #endif /* HAVE_XWIDGETS */
189 emacs_fixed_class_init (EmacsFixedClass
*klass
)
191 GtkWidgetClass
*widget_class
;
192 GtkFixedClass
*fixed_class
;
194 widget_class
= (GtkWidgetClass
*) klass
;
195 fixed_class
= (GtkFixedClass
*) klass
;
197 widget_class
->get_preferred_width
= emacs_fixed_get_preferred_width
;
198 widget_class
->get_preferred_height
= emacs_fixed_get_preferred_height
;
200 widget_class
->size_allocate
= emacs_fixed_gtk_widget_size_allocate
;
202 g_type_class_add_private (klass
, sizeof (EmacsFixedPrivate
));
206 emacs_fixed_child_type (GtkFixed
*container
)
208 return GTK_TYPE_WIDGET
;
212 emacs_fixed_init (EmacsFixed
*fixed
)
214 fixed
->priv
= G_TYPE_INSTANCE_GET_PRIVATE (fixed
, EMACS_TYPE_FIXED
,
222 * Creates a new #EmacsFixed.
224 * Returns: a new #EmacsFixed.
227 emacs_fixed_new (struct frame
*f
)
229 EmacsFixed
*fixed
= g_object_new (EMACS_TYPE_FIXED
, NULL
);
230 EmacsFixedPrivate
*priv
= fixed
->priv
;
232 return GTK_WIDGET (fixed
);
236 emacs_fixed_get_preferred_width (GtkWidget
*widget
,
240 EmacsFixed
*fixed
= EMACS_FIXED (widget
);
241 EmacsFixedPrivate
*priv
= fixed
->priv
;
242 int w
= priv
->f
->output_data
.x
->size_hints
.min_width
;
243 if (minimum
) *minimum
= w
;
244 if (natural
) *natural
= w
;
248 emacs_fixed_get_preferred_height (GtkWidget
*widget
,
252 EmacsFixed
*fixed
= EMACS_FIXED (widget
);
253 EmacsFixedPrivate
*priv
= fixed
->priv
;
254 int h
= priv
->f
->output_data
.x
->size_hints
.min_height
;
255 if (minimum
) *minimum
= h
;
256 if (natural
) *natural
= h
;
260 /* Override the X function so we can intercept Gtk+ 3 calls.
261 Use our values for min_width/height so that KDE don't freak out
262 (Bug#8919), and so users can resize our frames as they wish. */
265 XSetWMSizeHints (Display
* d
,
270 struct x_display_info
*dpyinfo
= x_display_info_for_display (d
);
271 struct frame
*f
= x_top_window_to_frame (dpyinfo
, w
);
273 data
[0] = hints
->flags
;
276 data
[3] = hints
->width
;
277 data
[4] = hints
->height
;
278 data
[5] = hints
->min_width
;
279 data
[6] = hints
->min_height
;
280 data
[7] = hints
->max_width
;
281 data
[8] = hints
->max_height
;
282 data
[9] = hints
->width_inc
;
283 data
[10] = hints
->height_inc
;
284 data
[11] = hints
->min_aspect
.x
;
285 data
[12] = hints
->min_aspect
.y
;
286 data
[13] = hints
->max_aspect
.x
;
287 data
[14] = hints
->max_aspect
.y
;
288 data
[15] = hints
->base_width
;
289 data
[16] = hints
->base_height
;
290 data
[17] = hints
->win_gravity
;
292 if ((hints
->flags
& PMinSize
) && f
)
294 int w
= f
->output_data
.x
->size_hints
.min_width
;
295 int h
= f
->output_data
.x
->size_hints
.min_height
;
300 XChangeProperty (d
, w
, prop
, XA_WM_SIZE_HINTS
, 32, PropModeReplace
,
301 (unsigned char *) data
, 18);
304 /* Override this X11 function.
305 This function is in the same X11 file as the one above. So we must
309 XSetWMNormalHints (Display
*d
, Window w
, XSizeHints
*hints
)
311 XSetWMSizeHints (d
, w
, hints
, XA_WM_NORMAL_HINTS
);