diff options
Diffstat (limited to 'gtk/src/preview.c')
| -rw-r--r-- | gtk/src/preview.c | 152 |
1 files changed, 97 insertions, 55 deletions
diff --git a/gtk/src/preview.c b/gtk/src/preview.c index 5b10d9b11..e999b3e07 100644 --- a/gtk/src/preview.c +++ b/gtk/src/preview.c @@ -1065,6 +1065,101 @@ preview_motion_cb( return FALSE; } +GdkDrawable* +ghb_curved_rect_mask(gint width, gint height, gint radius) +{ + GdkDrawable *shape; + cairo_t *cr; + double x1, y1; + double x0, y0; + + shape = (GdkDrawable *)gdk_pixmap_new (NULL, width, height, 1); + + cr = gdk_cairo_create (shape); + + x0 = y0 = 0; + x1 = width; + y1 = height; + + // fill shape with black + cairo_save(cr); + cairo_rectangle (cr, 0, 0, width, height); + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_fill (cr); + cairo_restore (cr); + + if (!width || !height) + return NULL; + + if (width/2 < radius) { + if (height/2 < radius) { + cairo_move_to (cr, x0, (y0 + y1)/2); + cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2); + cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2); + } else { + cairo_move_to (cr, x0, y0 + radius); + cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); + cairo_line_to (cr, x1 , y1 - radius); + cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius); + } + } else { + if (height/2 < radius) { + cairo_move_to (cr, x0, (y0 + y1)/2); + cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0); + cairo_line_to (cr, x1 - radius, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2); + cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); + cairo_line_to (cr, x0 + radius, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2); + } else { + cairo_move_to (cr, x0, y0 + radius); + cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0); + cairo_line_to (cr, x1 - radius, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); + cairo_line_to (cr, x1 , y1 - radius); + cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); + cairo_line_to (cr, x0 + radius, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius); + } + } + cairo_close_path(cr); + + cairo_set_source_rgb(cr, 1, 1, 1); + cairo_fill_preserve(cr); + + cairo_set_line_width(cr, 10.0); + cairo_stroke(cr); + + cairo_destroy(cr); + + return shape; +} + +G_MODULE_EXPORT void +preview_hud_size_alloc_cb( + GtkWidget *widget, + GtkAllocation *allocation, + signal_user_data_t *ud) +{ + GdkDrawable *shape; + + //g_message("preview_hud_size_alloc_cb()"); + if (GTK_WIDGET_VISIBLE(widget) && allocation->height > 50) + { + shape = ghb_curved_rect_mask(allocation->width, + allocation->height, allocation->height/2); + if (shape != NULL) + { + gtk_widget_shape_combine_mask(widget, shape, 0, 0); + gdk_pixmap_unref(shape); + } + } +} + G_MODULE_EXPORT gboolean preview_configure_cb( GtkWidget *widget, @@ -1073,7 +1168,7 @@ preview_configure_cb( { gint x, y; - g_debug("preview_configure_cb()"); + //g_message("preview_configure_cb()"); if (GTK_WIDGET_VISIBLE(widget)) { gtk_window_get_position(GTK_WINDOW(widget), &x, &y); @@ -1094,7 +1189,7 @@ settings_configure_cb( { gint x, y; - g_debug("settings_configure_cb()"); + //g_message("settings_configure_cb()"); if (GTK_WIDGET_VISIBLE(widget)) { gtk_window_get_position(GTK_WINDOW(widget), &x, &y); @@ -1107,56 +1202,3 @@ settings_configure_cb( return FALSE; } -#if 0 -G_MODULE_EXPORT gboolean -preview_window_expose_cb( - GtkWidget *widget, - GdkEventExpose *event, - signal_user_data_t *ud) -{ - GdkRegion *region; - GtkWidget *child; - cairo_t *cr; - - //g_debug("preview_window_expose_cb()"); - /* get our child (in this case, the draw area) */ - child = GHB_WIDGET(ud->builder, "preview_image"); - /* create a cairo context to draw to the window */ - cr = gdk_cairo_create (widget->window); - /* the source data is the (composited) event box */ - gdk_cairo_set_source_pixmap (cr, child->window, - child->allocation.x, - child->allocation.y); - /* draw no more than our expose event intersects our child */ - region = gdk_region_rectangle (&child->allocation); - gdk_region_intersect (region, event->region); - gdk_cairo_region (cr, region); - cairo_clip (cr); - /* composite, with a 100% opacity */ - cairo_set_operator (cr, CAIRO_OPERATOR_OVER); - cairo_paint_with_alpha (cr, 1); - - cairo_reset_clip(cr); - /* get our child (in this case, the event box) */ - child = GHB_WIDGET(ud->builder, "preview_event_box"); - /* create a cairo context to draw to the window */ - cr = gdk_cairo_create (widget->window); - /* the source data is the (composited) event box */ - gdk_cairo_set_source_pixmap (cr, child->window, - child->allocation.x, - child->allocation.y); - /* draw no more than our expose event intersects our child */ - region = gdk_region_rectangle (&child->allocation); - gdk_region_intersect (region, event->region); - gdk_cairo_region (cr, region); - cairo_clip (cr); - /* composite, with a 85% opacity */ - cairo_set_operator (cr, CAIRO_OPERATOR_OVER); - cairo_paint_with_alpha (cr, .85); - - /* we're done */ - cairo_destroy (cr); - return FALSE; -} - -#endif |