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Thanks to Michael who sent a patch that inspired me, the chain-button now 

looks much better.


--Sven
This commit is contained in:
Sven Neumann 1999-03-03 15:00:56 +00:00
parent 6a6dbd25fa
commit 39f9e9ae3d
5 changed files with 264 additions and 42 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
Wed Mar 3 15:39:01 MET 1999 Sven Neumann <sven@gimp.org>
* libgimp/gimpchainbutton.[ch]: that looks much better now
Wed Mar 3 13:24:00 MET 1999 Sven Neumann <sven@gimp.org>
* gimprc.5.in

146
libgimp/gimpchainbutton.c
View File

@ -30,8 +30,11 @@ static char **gimp_chain_broken_xpm[] = {
chain_broken_ver_xpm
};
void gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb);
void gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_draw_lines (GtkWidget *widget,
GdkEvent* event,
GimpChainButton *gcb);
static void
gimp_chain_button_class_init (GimpChainButtonClass *class)
@ -49,6 +52,9 @@ gimp_chain_button_init (GimpChainButton *gcb)
gcb->position = GIMP_CHAIN_TOP;
gcb->tooltips = NULL;
gcb->tip = NULL;
gcb->button = gtk_button_new ();
gcb->line1 = gtk_drawing_area_new ();
gcb->line2 = gtk_drawing_area_new ();
gcb->pixmap = NULL;
gcb->broken = NULL;
gcb->broken_mask = NULL;
@ -56,14 +62,17 @@ gimp_chain_button_init (GimpChainButton *gcb)
gcb->chain_mask = NULL;
gcb->active = FALSE;
gtk_signal_connect (GTK_OBJECT(gcb), "clicked",
gtk_signal_connect (GTK_OBJECT(gcb->button), "clicked",
GTK_SIGNAL_FUNC(gimp_chain_button_callback), gcb);
/* That's all we do here, since setting the pixmaps won't work before
the parent window is realized.
We connect to the realized-signal instead and do the rest there. */
gtk_signal_connect (GTK_OBJECT(gcb), "realize",
GTK_SIGNAL_FUNC(gimp_chain_button_realize), gcb);
gtk_signal_connect (GTK_OBJECT(gcb->line1), "expose_event",
GTK_SIGNAL_FUNC(gimp_chain_button_draw_lines), gcb);
gtk_signal_connect (GTK_OBJECT(gcb->line2), "expose_event",
GTK_SIGNAL_FUNC(gimp_chain_button_draw_lines), gcb);
}
guint
@ -85,7 +94,7 @@ gimp_chain_button_get_type ()
(GtkClassInitFunc) NULL
};
gcb_type = gtk_type_unique (gtk_button_get_type (), &gcb_info);
gcb_type = gtk_type_unique (gtk_table_get_type (), &gcb_info);
}
return gcb_type;
@ -99,17 +108,36 @@ gimp_chain_button_new (GimpChainPosition position)
gcb = gtk_type_new (gimp_chain_button_get_type ());
gcb->position = position;
gtk_button_set_relief (GTK_BUTTON(gcb), GTK_RELIEF_NONE);
if (position & GIMP_CHAIN_LEFT) /* are we a vertical chainbutton? */
{
gtk_table_resize (GTK_TABLE (gcb), 3, 1);
gtk_table_attach (GTK_TABLE (gcb), gcb->button, 0, 1, 1, 2,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line1, 0, 1, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line2, 0, 1, 2, 3);
}
else
{
gtk_table_resize (GTK_TABLE (gcb), 1, 3);
gtk_table_attach (GTK_TABLE (gcb), gcb->button, 1, 2, 0, 1,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line1, 0, 1, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line2, 2, 3, 0, 1);
}
gtk_widget_show (gcb->line1);
gtk_widget_show (gcb->line2);
gtk_button_set_relief (GTK_BUTTON (gcb->button), GTK_RELIEF_NONE);
return (GTK_WIDGET(gcb));
}
void
gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb)
static void
gimp_chain_button_realize (GtkWidget *widget,
GimpChainButton *gcb)
{
GtkStyle *style;
GtkWidget *parent;
GtkWidget *box;
parent = GTK_WIDGET(gcb)->parent;
if (!GTK_WIDGET_REALIZED (parent))
@ -130,16 +158,14 @@ gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb)
else
gcb->pixmap = gtk_pixmap_new (gcb->broken, gcb->broken_mask);
box = gtk_hbox_new (FALSE, 0);
gtk_container_border_width (GTK_CONTAINER (box), 0);
gtk_container_add (GTK_CONTAINER (gcb), box);
gtk_box_pack_start (GTK_BOX (box), gcb->pixmap, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (gcb->button), gcb->pixmap);
gtk_widget_show (gcb->pixmap);
gtk_widget_show (box);
gtk_widget_show (gcb->button);
}
void
gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb)
static void
gimp_chain_button_callback (GtkWidget *widget,
GimpChainButton *gcb)
{
g_return_if_fail (gcb != NULL);
g_return_if_fail (GIMP_IS_CHAIN_BUTTON (gcb));
@ -155,6 +181,90 @@ gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb)
gtk_pixmap_set (GTK_PIXMAP(gcb->pixmap), gcb->broken, gcb->broken_mask);
}
static void
gimp_chain_button_draw_lines (GtkWidget *widget,
GdkEvent *event,
GimpChainButton *gcb)
{
GdkPoint points[3];
GdkPoint buf;
GtkShadowType shadow;
gint which_line;
#define SHORT_LINE 4
/* don't set this too high, there's no check against drawing outside
the widgets bounds yet (and probably never will be) */
g_return_if_fail (gcb != NULL);
g_return_if_fail (GIMP_IS_CHAIN_BUTTON (gcb));
if (event); /* avoid unused variable compiler warning */
gdk_window_clear_area (widget->window,
0, 0,
widget->allocation.width,
widget->allocation.height);
points[0].x = widget->allocation.width / 2;
points[0].y = widget->allocation.height / 2;
which_line = (widget == gcb->line1) ? 1 : -1;
switch (gcb->position)
{
case GIMP_CHAIN_LEFT:
points[0].x += SHORT_LINE;
points[1].x = points[0].x - SHORT_LINE;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = (which_line == 1) ? widget->allocation.height - 1 : 0;
shadow = GTK_SHADOW_ETCHED_IN;
break;
case GIMP_CHAIN_RIGHT:
points[0].x -= SHORT_LINE;
points[1].x = points[0].x + SHORT_LINE;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = (which_line == 1) ? widget->allocation.height - 1 : 0;
shadow = GTK_SHADOW_ETCHED_OUT;
break;
case GIMP_CHAIN_TOP:
points[0].y += SHORT_LINE;
points[1].x = points[0].x;
points[1].y = points[0].y - SHORT_LINE;
points[2].x = (which_line == 1) ? widget->allocation.width - 1 : 0;
points[2].y = points[1].y;
shadow = GTK_SHADOW_ETCHED_OUT;
break;
case GIMP_CHAIN_BOTTOM:
points[0].y -= SHORT_LINE;
points[1].x = points[0].x;
points[1].y = points[0].y + SHORT_LINE;
points[2].x = (which_line == 1) ? widget->allocation.width - 1 : 0;
points[2].y = points[1].y;
shadow = GTK_SHADOW_ETCHED_IN;
break;
default:
return;
}
if ( ((shadow == GTK_SHADOW_ETCHED_OUT) && (which_line == -1)) ||
((shadow == GTK_SHADOW_ETCHED_IN) && (which_line == 1)) )
{
buf = points[0];
points[0] = points[2];
points[2] = buf;
}
gtk_draw_polygon (widget->style,
widget->window,
GTK_STATE_NORMAL,
shadow,
points,
3,
FALSE);
}
void
gimp_chain_button_set_active (GimpChainButton *gcb,
gboolean is_active)
@ -186,7 +296,3 @@ gimp_chain_button_get_active (GimpChainButton *gcb)
return (gcb->active) ? TRUE : FALSE;
}

5
libgimp/gimpchainbutton.h
View File

@ -51,11 +51,14 @@ typedef enum {
struct _GimpChainButton
{
GtkHBox hbox;
GtkTable table;
GimpChainPosition position;
GtkTooltips *tooltips;
gchar *tip;
GtkWidget *button;
GtkWidget *line1;
GtkWidget *line2;
GtkWidget *pixmap;
GdkPixmap *broken;
GdkBitmap *broken_mask;

146
libgimpwidgets/gimpchainbutton.c
View File

@ -30,8 +30,11 @@ static char **gimp_chain_broken_xpm[] = {
chain_broken_ver_xpm
};
void gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb);
void gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb);
static void gimp_chain_button_draw_lines (GtkWidget *widget,
GdkEvent* event,
GimpChainButton *gcb);
static void
gimp_chain_button_class_init (GimpChainButtonClass *class)
@ -49,6 +52,9 @@ gimp_chain_button_init (GimpChainButton *gcb)
gcb->position = GIMP_CHAIN_TOP;
gcb->tooltips = NULL;
gcb->tip = NULL;
gcb->button = gtk_button_new ();
gcb->line1 = gtk_drawing_area_new ();
gcb->line2 = gtk_drawing_area_new ();
gcb->pixmap = NULL;
gcb->broken = NULL;
gcb->broken_mask = NULL;
@ -56,14 +62,17 @@ gimp_chain_button_init (GimpChainButton *gcb)
gcb->chain_mask = NULL;
gcb->active = FALSE;
gtk_signal_connect (GTK_OBJECT(gcb), "clicked",
gtk_signal_connect (GTK_OBJECT(gcb->button), "clicked",
GTK_SIGNAL_FUNC(gimp_chain_button_callback), gcb);
/* That's all we do here, since setting the pixmaps won't work before
the parent window is realized.
We connect to the realized-signal instead and do the rest there. */
gtk_signal_connect (GTK_OBJECT(gcb), "realize",
GTK_SIGNAL_FUNC(gimp_chain_button_realize), gcb);
gtk_signal_connect (GTK_OBJECT(gcb->line1), "expose_event",
GTK_SIGNAL_FUNC(gimp_chain_button_draw_lines), gcb);
gtk_signal_connect (GTK_OBJECT(gcb->line2), "expose_event",
GTK_SIGNAL_FUNC(gimp_chain_button_draw_lines), gcb);
}
guint
@ -85,7 +94,7 @@ gimp_chain_button_get_type ()
(GtkClassInitFunc) NULL
};
gcb_type = gtk_type_unique (gtk_button_get_type (), &gcb_info);
gcb_type = gtk_type_unique (gtk_table_get_type (), &gcb_info);
}
return gcb_type;
@ -99,17 +108,36 @@ gimp_chain_button_new (GimpChainPosition position)
gcb = gtk_type_new (gimp_chain_button_get_type ());
gcb->position = position;
gtk_button_set_relief (GTK_BUTTON(gcb), GTK_RELIEF_NONE);
if (position & GIMP_CHAIN_LEFT) /* are we a vertical chainbutton? */
{
gtk_table_resize (GTK_TABLE (gcb), 3, 1);
gtk_table_attach (GTK_TABLE (gcb), gcb->button, 0, 1, 1, 2,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line1, 0, 1, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line2, 0, 1, 2, 3);
}
else
{
gtk_table_resize (GTK_TABLE (gcb), 1, 3);
gtk_table_attach (GTK_TABLE (gcb), gcb->button, 1, 2, 0, 1,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line1, 0, 1, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (gcb), gcb->line2, 2, 3, 0, 1);
}
gtk_widget_show (gcb->line1);
gtk_widget_show (gcb->line2);
gtk_button_set_relief (GTK_BUTTON (gcb->button), GTK_RELIEF_NONE);
return (GTK_WIDGET(gcb));
}
void
gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb)
static void
gimp_chain_button_realize (GtkWidget *widget,
GimpChainButton *gcb)
{
GtkStyle *style;
GtkWidget *parent;
GtkWidget *box;
parent = GTK_WIDGET(gcb)->parent;
if (!GTK_WIDGET_REALIZED (parent))
@ -130,16 +158,14 @@ gimp_chain_button_realize (GtkWidget *widget, GimpChainButton *gcb)
else
gcb->pixmap = gtk_pixmap_new (gcb->broken, gcb->broken_mask);
box = gtk_hbox_new (FALSE, 0);
gtk_container_border_width (GTK_CONTAINER (box), 0);
gtk_container_add (GTK_CONTAINER (gcb), box);
gtk_box_pack_start (GTK_BOX (box), gcb->pixmap, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (gcb->button), gcb->pixmap);
gtk_widget_show (gcb->pixmap);
gtk_widget_show (box);
gtk_widget_show (gcb->button);
}
void
gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb)
static void
gimp_chain_button_callback (GtkWidget *widget,
GimpChainButton *gcb)
{
g_return_if_fail (gcb != NULL);
g_return_if_fail (GIMP_IS_CHAIN_BUTTON (gcb));
@ -155,6 +181,90 @@ gimp_chain_button_callback (GtkWidget *widget, GimpChainButton *gcb)
gtk_pixmap_set (GTK_PIXMAP(gcb->pixmap), gcb->broken, gcb->broken_mask);
}
static void
gimp_chain_button_draw_lines (GtkWidget *widget,
GdkEvent *event,
GimpChainButton *gcb)
{
GdkPoint points[3];
GdkPoint buf;
GtkShadowType shadow;
gint which_line;
#define SHORT_LINE 4
/* don't set this too high, there's no check against drawing outside
the widgets bounds yet (and probably never will be) */
g_return_if_fail (gcb != NULL);
g_return_if_fail (GIMP_IS_CHAIN_BUTTON (gcb));
if (event); /* avoid unused variable compiler warning */
gdk_window_clear_area (widget->window,
0, 0,
widget->allocation.width,
widget->allocation.height);
points[0].x = widget->allocation.width / 2;
points[0].y = widget->allocation.height / 2;
which_line = (widget == gcb->line1) ? 1 : -1;
switch (gcb->position)
{
case GIMP_CHAIN_LEFT:
points[0].x += SHORT_LINE;
points[1].x = points[0].x - SHORT_LINE;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = (which_line == 1) ? widget->allocation.height - 1 : 0;
shadow = GTK_SHADOW_ETCHED_IN;
break;
case GIMP_CHAIN_RIGHT:
points[0].x -= SHORT_LINE;
points[1].x = points[0].x + SHORT_LINE;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = (which_line == 1) ? widget->allocation.height - 1 : 0;
shadow = GTK_SHADOW_ETCHED_OUT;
break;
case GIMP_CHAIN_TOP:
points[0].y += SHORT_LINE;
points[1].x = points[0].x;
points[1].y = points[0].y - SHORT_LINE;
points[2].x = (which_line == 1) ? widget->allocation.width - 1 : 0;
points[2].y = points[1].y;
shadow = GTK_SHADOW_ETCHED_OUT;
break;
case GIMP_CHAIN_BOTTOM:
points[0].y -= SHORT_LINE;
points[1].x = points[0].x;
points[1].y = points[0].y + SHORT_LINE;
points[2].x = (which_line == 1) ? widget->allocation.width - 1 : 0;
points[2].y = points[1].y;
shadow = GTK_SHADOW_ETCHED_IN;
break;
default:
return;
}
if ( ((shadow == GTK_SHADOW_ETCHED_OUT) && (which_line == -1)) ||
((shadow == GTK_SHADOW_ETCHED_IN) && (which_line == 1)) )
{
buf = points[0];
points[0] = points[2];
points[2] = buf;
}
gtk_draw_polygon (widget->style,
widget->window,
GTK_STATE_NORMAL,
shadow,
points,
3,
FALSE);
}
void
gimp_chain_button_set_active (GimpChainButton *gcb,
gboolean is_active)
@ -186,7 +296,3 @@ gimp_chain_button_get_active (GimpChainButton *gcb)
return (gcb->active) ? TRUE : FALSE;
}

5
libgimpwidgets/gimpchainbutton.h
View File

@ -51,11 +51,14 @@ typedef enum {
struct _GimpChainButton
{
GtkHBox hbox;
GtkTable table;
GimpChainPosition position;
GtkTooltips *tooltips;
gchar *tip;
GtkWidget *button;
GtkWidget *line1;
GtkWidget *line2;
GtkWidget *pixmap;
GdkPixmap *broken;
GdkBitmap *broken_mask;