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| author | JP Cimalando <[email protected]> | 2017-11-14 09:58:38 +0100 |
|---|---|---|
| committer | Martin Wimpress <[email protected]> | 2017-11-14 08:58:38 +0000 |
| commit | 8c0cb6d5faef66548644f0289bfe7c1c84b9cb19 (patch) | |
| tree | ed5f8c7f86e5628a2d7e59509a17247e4f9df86f /src/terminal-screen.c | |
| parent | e1884b32fad9a275728c5fb70095cf924f368934 (diff) | |
| download | mate-terminal-8c0cb6d5faef66548644f0289bfe7c1c84b9cb19.tar.bz2 mate-terminal-8c0cb6d5faef66548644f0289bfe7c1c84b9cb19.tar.xz | |
Support background images with VTE3 (#194)
Support background images with VTE3
Diffstat (limited to 'src/terminal-screen.c')
| -rw-r--r-- | src/terminal-screen.c | 91 |
1 files changed, 90 insertions, 1 deletions
diff --git a/src/terminal-screen.c b/src/terminal-screen.c index 0f7f33d..6c5a4f7 100644 --- a/src/terminal-screen.c +++ b/src/terminal-screen.c @@ -29,6 +29,8 @@ #include <gdk/gdk.h> #include <gdk/gdkx.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <cairo.h> #include "terminal-accels.h" #include "terminal-app.h" @@ -69,6 +71,8 @@ struct _TerminalScreenPrivate gboolean user_title; /* title was manually set */ GSList *match_tags; guint launch_child_source_id; + gulong bg_image_callback_id; + GdkPixbuf *bg_image; }; enum @@ -386,6 +390,9 @@ terminal_screen_init (TerminalScreen *screen) g_signal_connect (terminal_app_get (), "notify::system-font", G_CALLBACK (terminal_screen_system_font_notify_cb), screen); + priv->bg_image_callback_id = 0; + priv->bg_image = NULL; + #ifdef MATE_ENABLE_DEBUG _TERMINAL_DEBUG_IF (TERMINAL_DEBUG_GEOMETRY) { @@ -662,9 +669,60 @@ terminal_screen_finalize (GObject *object) g_slist_foreach (priv->match_tags, (GFunc) free_tag_data, NULL); g_slist_free (priv->match_tags); + if (priv->bg_image) + g_object_unref (priv->bg_image); + G_OBJECT_CLASS (terminal_screen_parent_class)->finalize (object); } +static gboolean +terminal_screen_image_draw_cb (GtkWidget *widget, cairo_t *cr, void *userdata) +{ + TerminalScreen *screen = TERMINAL_SCREEN (widget); + TerminalScreenPrivate *priv = screen->priv; + GdkPixbuf *bg_image = priv->bg_image; + gint bgw, bgh; + GdkRectangle target_rect; + GtkAllocation alloc; + cairo_surface_t *child_surface; + cairo_t *child_cr; + + if (!bg_image) + return FALSE; + + gtk_widget_get_allocation (widget, &alloc); + + target_rect.x = 0; + target_rect.y = 0; + target_rect.width = alloc.width; + target_rect.height = alloc.height; + + child_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, alloc.width, alloc.height); + child_cr = cairo_create (child_surface); + + g_signal_handler_block (screen, priv->bg_image_callback_id); + gtk_widget_draw (widget, child_cr); + g_signal_handler_unblock (screen, priv->bg_image_callback_id); + + bgw = gdk_pixbuf_get_width (bg_image); + bgh = gdk_pixbuf_get_height (bg_image); + + gdk_cairo_set_source_pixbuf (cr, bg_image, 0, 0); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + + gdk_cairo_rectangle (cr, &target_rect); + cairo_fill (cr); + + cairo_set_source_surface (cr, child_surface, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_paint (cr); + + cairo_destroy (child_cr); + cairo_surface_destroy (child_surface); + + return TRUE; +} + TerminalScreen * terminal_screen_new (TerminalProfile *profile, char **override_command, @@ -930,6 +988,7 @@ terminal_screen_profile_notify_cb (TerminalProfile *profile, prop_name == I_(TERMINAL_PROFILE_BACKGROUND_COLOR) || prop_name == I_(TERMINAL_PROFILE_BACKGROUND_TYPE) || prop_name == I_(TERMINAL_PROFILE_BACKGROUND_DARKNESS) || + prop_name == I_(TERMINAL_PROFILE_BACKGROUND_IMAGE) || prop_name == I_(TERMINAL_PROFILE_BOLD_COLOR_SAME_AS_FG) || prop_name == I_(TERMINAL_PROFILE_BOLD_COLOR) || prop_name == I_(TERMINAL_PROFILE_PALETTE)) @@ -1014,10 +1073,13 @@ update_color_scheme (TerminalScreen *screen) TerminalProfile *profile = priv->profile; GdkRGBA colors[TERMINAL_PALETTE_SIZE]; const GdkRGBA *fg_rgba, *bg_rgba, *bold_rgba; + TerminalBackgroundType bg_type; + const gchar *bg_image_file; double bg_alpha = 1.0; GdkRGBA fg, bg; guint n_colors; GtkStyleContext *context; + GError *error = NULL; context = gtk_widget_get_style_context (GTK_WIDGET (screen)); gtk_style_context_save (context); @@ -1045,10 +1107,37 @@ update_color_scheme (TerminalScreen *screen) n_colors = G_N_ELEMENTS (colors); terminal_profile_get_palette (priv->profile, colors, &n_colors); - if (terminal_profile_get_property_enum (profile, TERMINAL_PROFILE_BACKGROUND_TYPE) == TERMINAL_BACKGROUND_TRANSPARENT) + bg_type = terminal_profile_get_property_enum (profile, TERMINAL_PROFILE_BACKGROUND_TYPE); + bg_image_file = terminal_profile_get_property_string (profile, TERMINAL_PROFILE_BACKGROUND_IMAGE_FILE); + + if (bg_type == TERMINAL_BACKGROUND_TRANSPARENT) bg_alpha = terminal_profile_get_property_double (profile, TERMINAL_PROFILE_BACKGROUND_DARKNESS); + else if (bg_type == TERMINAL_BACKGROUND_IMAGE) + bg_alpha = 0.0; bg.alpha = bg_alpha; + if (bg_type == TERMINAL_BACKGROUND_IMAGE) + { + if (!priv->bg_image_callback_id) + priv->bg_image_callback_id = g_signal_connect (screen, "draw", G_CALLBACK (terminal_screen_image_draw_cb), NULL); + + g_clear_object (&priv->bg_image); + priv->bg_image = gdk_pixbuf_new_from_file (bg_image_file, &error); + + if (error) { + g_printerr ("Failed to load background image: %s\n", error->message); + g_clear_error (&error); + } + + gtk_widget_queue_draw (GTK_WIDGET (screen)); + } else { + if (priv->bg_image_callback_id) + { + g_signal_handler_disconnect (screen, priv->bg_image_callback_id); + priv->bg_image_callback_id = 0; + } + } + vte_terminal_set_colors (VTE_TERMINAL (screen), &fg, &bg, colors, n_colors); |