callisto-debian/gtk3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

GtkThemingEngine: Add vmethod to render frames with a gap.

Browse Source
This commit is contained in:
Carlos Garnacho
2010-03-27 21:23:13 +01:00
parent 6a1b54f8bf
commit af1edc3d88
2 changed files with 154 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

145
gtk/gtkthemingengine.c
View File

@ -103,6 +103,15 @@ static void gtk_theming_engine_render_slider (GtkThemingEngine *engine,
gdouble width,
gdouble height,
GtkOrientation orientation);
static void gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side,
gdouble xy0_gap,
gdouble xy1_gap);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@ -144,6 +153,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
klass->render_layout = gtk_theming_engine_render_layout;
klass->render_line = gtk_theming_engine_render_line;
klass->render_slider = gtk_theming_engine_render_slider;
klass->render_frame_gap = gtk_theming_engine_render_frame_gap;
g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
}
@ -709,6 +719,51 @@ add_path_rounded_rectangle (cairo_t *cr,
}
}
static void
add_path_gap_side (cairo_t *cr,
GtkPositionType gap_side,
gdouble radius,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gdouble xy0_gap,
gdouble xy1_gap)
{
if (gap_side == GTK_POS_TOP)
{
cairo_move_to (cr, x, y);
cairo_line_to (cr, x + xy0_gap, y);
cairo_move_to (cr, x + xy1_gap, y);
cairo_line_to (cr, x + width, y);
}
else if (gap_side == GTK_POS_BOTTOM)
{
cairo_move_to (cr, x, y + height);
cairo_line_to (cr, x + xy0_gap, y + height);
cairo_move_to (cr, x + xy1_gap, y + height);
cairo_line_to (cr, x + width, y + height);
}
else if (gap_side == GTK_POS_LEFT)
{
cairo_move_to (cr, x, y);
cairo_line_to (cr, x, y + xy0_gap);
cairo_move_to (cr, x, y + xy1_gap);
cairo_line_to (cr, x, y + height);
}
else
{
cairo_move_to (cr, x + width, y);
cairo_line_to (cr, x + width, y + xy0_gap);
cairo_move_to (cr, x + width, y + xy1_gap);
cairo_line_to (cr, x + width, y + height);
}
}
static void
color_shade (const GdkColor *color,
gdouble factor,
@ -1111,5 +1166,95 @@ gtk_theming_engine_render_slider (GtkThemingEngine *engine,
}
}
static void
gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side,
gdouble xy0_gap,
gdouble xy1_gap)
{
GtkStateFlags flags;
GtkStateType state;
GdkColor *bg_color;
GdkColor lighter, darker;
guint sides;
cairo_save (cr);
flags = gtk_theming_engine_get_state (engine);
if (flags & GTK_STATE_FLAG_PRELIGHT)
state = GTK_STATE_PRELIGHT;
else if (flags & GTK_STATE_FLAG_INSENSITIVE)
state = GTK_STATE_INSENSITIVE;
else
state = GTK_STATE_NORMAL;
cairo_set_line_width (cr, 1);
gtk_theming_engine_get (engine, state,
"background-color", &bg_color,
NULL);
color_shade (bg_color, 0.7, &darker);
color_shade (bg_color, 1.3, &lighter);
if (gap_side == GTK_POS_RIGHT)
sides = SIDE_BOTTOM;
else if (gap_side == GTK_POS_BOTTOM)
sides = SIDE_RIGHT;
else
sides = SIDE_BOTTOM | SIDE_RIGHT;
if (gap_side == GTK_POS_RIGHT ||
gap_side == GTK_POS_BOTTOM)
add_path_gap_side (cr, gap_side, 0,
x, y, width, height,
xy0_gap, xy1_gap);
add_path_rounded_rectangle (cr, 0, sides,
x, y, width, height);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_stroke (cr);
if (gap_side == GTK_POS_RIGHT ||
gap_side == GTK_POS_BOTTOM)
add_path_gap_side (cr, gap_side, 0,
x, y, width, height,
xy0_gap, xy1_gap);
add_path_rounded_rectangle (cr, 0, sides,
x, y, width - 1, height - 1);
gdk_cairo_set_source_color (cr, &darker);
cairo_stroke (cr);
if (gap_side == GTK_POS_LEFT)
sides = SIDE_TOP;
else if (gap_side == GTK_POS_TOP)
sides = SIDE_LEFT;
else
sides = SIDE_TOP | SIDE_LEFT;
if (gap_side == GTK_POS_TOP ||
gap_side == GTK_POS_LEFT)
add_path_gap_side (cr, gap_side, 0,
x, y, width, height,
xy0_gap, xy1_gap);
add_path_rounded_rectangle (cr, 0, sides,
x, y, width, height);
gdk_cairo_set_source_color (cr, &lighter);
cairo_stroke (cr);
cairo_restore (cr);
gdk_color_free (bg_color);
}
#define __GTK_THEMING_ENGINE_C__
#include "gtkaliasdef.c"