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applied patch from Xan Lopez to eliminate gap in painted frame for

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Fri Jun 22 12:13:39 2007  Tim Janik  <timj@imendio.com>

        * gtk/gtkframe.c (gtk_frame_paint): applied patch from Xan Lopez
        to eliminate gap in painted frame for yaling=0.0 or yalign=1.0.

        * tests/testframe.c: added test application from Xan Lopez to
        test xalign/yalign interactions with xthickness/ythickness.



svn path=/trunk/; revision=18216
This commit is contained in:
Tim Janik 2007-06-22 10:16:39 +00:00 committed by Tim Janik
parent e7525262bd
commit 9d21e46190
4 changed files with 179 additions and 11 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
Fri Jun 22 12:13:39 2007 Tim Janik <timj@imendio.com>
* gtk/gtkframe.c (gtk_frame_paint): applied patch from Xan Lopez
to eliminate gap in painted frame for yaling=0.0 or yalign=1.0.
* tests/testframe.c: added test application from Xan Lopez to
test xalign/yalign interactions with xthickness/ythickness.
Fri Jun 22 00:34:34 2007 Tim Janik <timj@gtk.org>
* gdk/x11/gdkdisplay-x11.c (gdk_x11_display_get_xdisplay): applied

30
gtk/gtkframe.c
View File

@ -425,7 +425,9 @@ gtk_frame_get_label_widget (GtkFrame *frame)
* of the widget. A value of 0.0 represents left alignment;
* 1.0 represents right alignment.
* @yalign: The y alignment of the label. A value of 0.0 aligns under
* the frame; 1.0 aligns above the frame.
* the frame; 1.0 aligns above the frame. If the values are exactly
* 0.0 or 1.0 the gap in the frame won't be painted because the label
* will be completely above or below the frame.
*
* Sets the alignment of the frame widget's label. The
* default values for a newly created frame are 0.0 and 0.5.
@ -553,20 +555,26 @@ gtk_frame_paint (GtkWidget *widget,
else
xalign = 1 - frame->label_xalign;
height_extra = MAX (0, child_requisition.height - widget->style->ythickness);
height_extra *= (1 - frame->label_yalign);
height_extra = MAX (0, child_requisition.height - widget->style->ythickness)
- frame->label_yalign * child_requisition.height;
y -= height_extra;
height += height_extra;
x2 = widget->style->xthickness + (frame->child_allocation.width - child_requisition.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD;
gtk_paint_shadow_gap (widget->style, widget->window,
widget->state, frame->shadow_type,
area, widget, "frame",
x, y, width, height,
GTK_POS_TOP,
x2, child_requisition.width + 2 * LABEL_PAD);
/* If the label is completely over or under the frame we can omit the gap */
if (frame->label_yalign == 0.0 || frame->label_yalign == 1.0)
gtk_paint_shadow (widget->style, widget->window,
widget->state, frame->shadow_type,
area, widget, "frame",
x, y, width, height);
else
gtk_paint_shadow_gap (widget->style, widget->window,
widget->state, frame->shadow_type,
area, widget, "frame",
x, y, width, height,
GTK_POS_TOP,
x2, child_requisition.width + 2 * LABEL_PAD);
}
else
gtk_paint_shadow (widget->style, widget->window,
@ -604,7 +612,7 @@ gtk_frame_size_request (GtkWidget *widget,
requisition->width = child_requisition.width + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
requisition->height =
MAX (0, child_requisition.height - GTK_WIDGET (widget)->style->ythickness);
MAX (0, child_requisition.height - widget->style->ythickness);
}
else
{

6
tests/Makefile.am
View File

@ -45,6 +45,7 @@ noinst_PROGRAMS = \
testentrycompletion \
testfilechooser \
testfilechooserbutton \
testframe \
testgtk \
testiconview \
testicontheme \
@ -99,6 +100,7 @@ testiconview_DEPENDENCIES = $(TEST_DEPS)
testaccel_DEPENDENCIES = $(TEST_DEPS)
testassistant_DEPENDENCIES = $(TEST_DEPS)
testbbox_DEPENDENCIES = $(TEST_DEPS)
testframe_DEPENDENCIES = $(TEST_DEPS)
testcairo_DEPENDENCIES = $(TEST_DEPS)
testcalendar_DEPENDENCIES = $(TEST_DEPS)
testcombo_DEPENDENCIES = $(TEST_DEPS)
@ -153,6 +155,7 @@ print_editor_LDADD = $(LDADDS)
testaccel_LDADD = $(LDADDS)
testassistant_LDADD = $(LDADDS)
testbbox_LDADD = $(LDADDS)
testframe_LDADD = $(LDADDS)
testcairo_LDADD = $(LDADDS)
testcalendar_LDADD = $(LDADDS)
testcombo_LDADD = $(LDADDS)
@ -276,6 +279,9 @@ testactions_SOURCES = \
testbbox_SOURCES = \
testbbox.c
testframe_SOURCES = \
testframe.c
testiconview_SOURCES = \
testiconview.c \
prop-editor.c

146
tests/testframe.c Normal file
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@ -0,0 +1,146 @@
/* testframe.c
* Copyright (C) 2007 Xan López <xan@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gtk/gtk.h>
#include <math.h>
static void
spin_ythickness_cb (GtkSpinButton *spin, gpointer user_data)
{
GtkWidget *frame = user_data;
GtkRcStyle *rcstyle;
rcstyle = gtk_rc_style_new ();
rcstyle->xthickness = GTK_WIDGET (frame)->style->xthickness;
rcstyle->ythickness = gtk_spin_button_get_value (spin);
gtk_widget_modify_style (frame, rcstyle);
gtk_rc_style_unref (rcstyle);
}
static void
spin_xthickness_cb (GtkSpinButton *spin, gpointer user_data)
{
GtkWidget *frame = user_data;
GtkRcStyle *rcstyle;
rcstyle = gtk_rc_style_new ();
rcstyle->xthickness = gtk_spin_button_get_value (spin);
rcstyle->ythickness = GTK_WIDGET (frame)->style->ythickness;
gtk_widget_modify_style (frame, rcstyle);
gtk_rc_style_unref (rcstyle);
}
/* Function to normalize rounding errors in FP arithmetic to
our desired limits */
#define EPSILON 1e-10
static gdouble
double_normalize (gdouble n)
{
if (fabs (1.0 - n) < EPSILON)
n = 1.0;
else if (n < EPSILON)
n = 0.0;
return n;
}
static void
spin_xalign_cb (GtkSpinButton *spin, GtkFrame *frame)
{
gdouble xalign = double_normalize (gtk_spin_button_get_value (spin));
gtk_frame_set_label_align (frame, xalign, frame->label_yalign);
}
static void
spin_yalign_cb (GtkSpinButton *spin, GtkFrame *frame)
{
gdouble yalign = double_normalize (gtk_spin_button_get_value (spin));
gtk_frame_set_label_align (frame, frame->label_xalign, yalign);
}
int main (int argc, char **argv)
{
GtkWidget *window, *frame, *xthickness_spin, *ythickness_spin, *vbox;
GtkWidget *xalign_spin, *yalign_spin, *button, *table, *label;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width (GTK_CONTAINER (window), 5);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
g_signal_connect (G_OBJECT (window), "delete-event", gtk_main_quit, NULL);
vbox = gtk_vbox_new (FALSE, 5);
gtk_container_add (GTK_CONTAINER (window), vbox);
frame = gtk_frame_new ("Testing");
gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
button = gtk_button_new_with_label ("Hello!");
gtk_container_add (GTK_CONTAINER (frame), button);
table = gtk_table_new (4, 2, FALSE);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
/* Spin to control xthickness */
label = gtk_label_new ("xthickness: ");
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 0, 1);
xthickness_spin = gtk_spin_button_new_with_range (0, 250, 1);
g_signal_connect (G_OBJECT (xthickness_spin), "value-changed", G_CALLBACK (spin_xthickness_cb), frame);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (xthickness_spin), frame->style->xthickness);
gtk_table_attach_defaults (GTK_TABLE (table), xthickness_spin, 1, 2, 0, 1);
/* Spin to control ythickness */
label = gtk_label_new ("ythickness: ");
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 1, 2);
ythickness_spin = gtk_spin_button_new_with_range (0, 250, 1);
g_signal_connect (G_OBJECT (ythickness_spin), "value-changed", G_CALLBACK (spin_ythickness_cb), frame);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (ythickness_spin), frame->style->ythickness);
gtk_table_attach_defaults (GTK_TABLE (table), ythickness_spin, 1, 2, 1, 2);
/* Spin to control label xalign */
label = gtk_label_new ("xalign: ");
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 2, 3);
xalign_spin = gtk_spin_button_new_with_range (0.0, 1.0, 0.1);
g_signal_connect (G_OBJECT (xalign_spin), "value-changed", G_CALLBACK (spin_xalign_cb), frame);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (xalign_spin), GTK_FRAME (frame)->label_xalign);
gtk_table_attach_defaults (GTK_TABLE (table), xalign_spin, 1, 2, 2, 3);
/* Spin to control label yalign */
label = gtk_label_new ("yalign: ");
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 3, 4);
yalign_spin = gtk_spin_button_new_with_range (0.0, 1.0, 0.1);
g_signal_connect (G_OBJECT (yalign_spin), "value-changed", G_CALLBACK (spin_yalign_cb), frame);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (yalign_spin), GTK_FRAME (frame)->label_yalign);
gtk_table_attach_defaults (GTK_TABLE (table), yalign_spin, 1, 2, 3, 4);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}