[vte/vte-next: 80/114] Make 'cursor-background-color' a style property



commit 2991b59689193681b35fc8977f5e6ca060c9da96
Author: Christian Persch <chpe gnome org>
Date:   Wed May 18 19:31:14 2011 +0200

    Make 'cursor-background-color' a style property

 doc/reference/vte-sections.txt |    1 -
 src/vte-private.h              |    5 ++
 src/vte.c                      |   99 +++++++++++++++++++++++++++++++++++-----
 src/vte.h                      |    2 -
 src/vteapp.c                   |   17 ++++---
 src/vteseq.c                   |    2 +-
 6 files changed, 103 insertions(+), 23 deletions(-)
---
diff --git a/doc/reference/vte-sections.txt b/doc/reference/vte-sections.txt
index c3ffd5c..15f08c1 100644
--- a/doc/reference/vte-sections.txt
+++ b/doc/reference/vte-sections.txt
@@ -29,7 +29,6 @@ vte_terminal_set_color_bold_rgba
 vte_terminal_set_color_foreground_rgba
 vte_terminal_set_color_background_rgba
 vte_terminal_set_color_dim_rgba
-vte_terminal_set_color_cursor_rgba
 vte_terminal_set_color_highlight_rgba
 vte_terminal_set_colors_rgba
 vte_terminal_set_default_colors
diff --git a/src/vte-private.h b/src/vte-private.h
index 8197369..24b231e 100644
--- a/src/vte-private.h
+++ b/src/vte-private.h
@@ -449,6 +449,11 @@ gboolean _vte_terminal_size_to_grid_size(VteTerminal *terminal,
                                          long *cols,
                                          long *rows);
 
+
+void _vte_terminal_set_color_cursor_rgba(VteTerminal *terminal,
+                                         const GdkRGBA *rgba,
+                                         gboolean override);
+
 G_END_DECLS
 
 #endif
diff --git a/src/vte.c b/src/vte.c
index 22e64df..6d302bd 100644
--- a/src/vte.c
+++ b/src/vte.c
@@ -2495,34 +2495,44 @@ vte_terminal_set_color_background_rgba(VteTerminal *terminal,
         vte_terminal_set_color_internal(terminal, VTE_DEF_BG, rgba, TRUE);
 }
 
-/**
- * vte_terminal_set_color_cursor_rgba:
+/*
+ * _vte_terminal_set_color_cursor_rgba:
  * @terminal: a #VteTerminal
  * @cursor_background: (allow-none): the new color to use for the text cursor, or %NULL
+ * @override: whether to override the style
  *
- * Sets the background color for text which is under the cursor.  If %NULL, text
- * under the cursor will be drawn with foreground and background colors
- * reversed.
+ * Sets the background color for text which is under the cursor.  If %NULL, the color
+ * will be taken from the style, or, if unset there, text under the cursor will be drawn
+ * with foreground and background colors reversed.
  *
  * Since: 0.28
  */
 void
-vte_terminal_set_color_cursor_rgba(VteTerminal *terminal,
-				   const GdkRGBA *rgba)
+_vte_terminal_set_color_cursor_rgba(VteTerminal *terminal,
+                                    const GdkRGBA *rgba,
+                                    gboolean override)
 {
-        g_return_if_fail(VTE_IS_TERMINAL(terminal));
+        VteTerminalPrivate *pvt = terminal->pvt;
+
+        if (!override && VTE_PALETTE_HAS_OVERRIDE(pvt->palette_set, VTE_CUR_BG)) {
+                _vte_debug_print(VTE_DEBUG_STYLE,
+                                 "Have cursor color override; not setting new color.\n");
+                return;
+        }
 
         if (rgba != NULL) {
-                _vte_debug_print(VTE_DEBUG_MISC,
-                                "Set cursor color to rgba(%.3f,%.3f,%.3f,%.3f).\n",
-                                rgba->red, rgba->green, rgba->blue, rgba->alpha);
-                vte_terminal_set_color_internal(terminal, VTE_CUR_BG, rgba, TRUE);
+                _vte_debug_print(VTE_DEBUG_STYLE,
+                                 "Set cursor color to rgba(%.3f,%.3f,%.3f,%.3f).\n",
+                                 rgba->red, rgba->green, rgba->blue, rgba->alpha);
+                vte_terminal_set_color_internal(terminal, VTE_CUR_BG, rgba, override);
                 terminal->pvt->cursor_color_set = TRUE;
         } else {
                 _vte_debug_print(VTE_DEBUG_MISC,
                                 "Cleared cursor color.\n");
                 terminal->pvt->cursor_color_set = FALSE;
         }
+
+        _vte_invalidate_cursor_once(terminal, FALSE);
 }
 
 /**
@@ -4239,6 +4249,53 @@ vte_terminal_set_padding(VteTerminal *terminal)
         gtk_widget_queue_resize(widget);
 }
 
+/**
+ * _vte_gtk_style_context_lookup_color:
+ * @context:
+ * @color_name:
+ * @color: a location to store the color
+ *
+ * Like gtk_style_context_lookup_color(), but returns the color
+ * instead of boolean.
+ *
+ * Returns: (transfer none): @color if lookup succeeded, else %NULL
+ */
+static const GdkRGBA *
+_vte_style_context_get_color(GtkStyleContext *context,
+                             const char *color_name,
+                             GdkRGBA *color)
+{
+  GdkRGBA *copy;
+
+  gtk_style_context_get_style(context, color_name, &copy, NULL);
+  if (copy == NULL)
+    {
+#if 0
+      /* Put in a nice shade of magenta, to indicate something's wrong */
+      color->red = color->blue = color->alpha = 1.; color->green = 0.;
+      return color;
+#endif
+      return NULL;
+    }
+
+  *color = *copy;
+  gdk_rgba_free (copy);
+  return color;
+}
+
+static void
+vte_terminal_update_style_colors(VteTerminal *terminal)
+{
+        GtkStyleContext *context;
+        GdkRGBA rgba;
+        const GdkRGBA *color;
+
+        context = gtk_widget_get_style_context(&terminal->widget);
+
+        color = _vte_style_context_get_color(context, "cursor-background-color", &rgba);
+        _vte_terminal_set_color_cursor_rgba(terminal, color, FALSE);
+}
+
 static void
 vte_terminal_update_style(VteTerminal *terminal)
 {
@@ -4250,6 +4307,7 @@ vte_terminal_update_style(VteTerminal *terminal)
 
         vte_terminal_set_font(terminal, pvt->fontdesc);
         vte_terminal_set_padding(terminal);
+        vte_terminal_update_style_colors(terminal);
 
         gtk_widget_style_get(widget,
                              "allow-bold", &allow_bold,
@@ -11639,6 +11697,23 @@ vte_terminal_class_init(VteTerminalClass *klass)
                                        FALSE,
                                        G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+        /* Colours */
+
+        /**
+         * VteTerminal:cursor-background-color:
+         *
+         * The background color for text which is under the cursor.  If not set,
+         * text under the cursor will be drawn with foreground and background
+         * colors reversed.
+         *
+         * Since: 0.30
+         */
+        gtk_widget_class_install_style_property
+                (widget_class,
+                 g_param_spec_boxed ("cursor-background-color", NULL, NULL,
+                                     GDK_TYPE_RGBA,
+                                     G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
         /* Keybindings */
 	binding_set = gtk_binding_set_by_class(klass);
 
diff --git a/src/vte.h b/src/vte.h
index e92ef67..abf39ac 100644
--- a/src/vte.h
+++ b/src/vte.h
@@ -236,8 +236,6 @@ void vte_terminal_set_color_foreground_rgba(VteTerminal *terminal,
 					    const GdkRGBA *rgba);
 void vte_terminal_set_color_background_rgba(VteTerminal *terminal,
 					    const GdkRGBA *rgba);
-void vte_terminal_set_color_cursor_rgba(VteTerminal *terminal,
-					const GdkRGBA *rgba);
 void vte_terminal_set_color_highlight_rgba(VteTerminal *terminal,
 					   const GdkRGBA *rgba);
 void vte_terminal_set_colors_rgba(VteTerminal *terminal,
diff --git a/src/vteapp.c b/src/vteapp.c
index 596d228..457013d 100644
--- a/src/vteapp.c
+++ b/src/vteapp.c
@@ -550,7 +550,7 @@ main(int argc, char **argv)
 		 debug = FALSE, dingus = FALSE, dbuffer = TRUE,
 		 console = FALSE, scroll = FALSE, keep = FALSE,
 		 icon_title = FALSE, shell = TRUE, highlight_set = FALSE,
-		 cursor_set = FALSE, reverse = FALSE, use_geometry_hints = TRUE,
+		 reverse = FALSE, use_geometry_hints = TRUE,
 		 use_scrolled_window = FALSE,
 		 show_object_notifications = FALSE;
 	char *geometry = NULL;
@@ -563,6 +563,7 @@ main(int argc, char **argv)
 	const char *output_file = NULL;
         char *tint_color_string = NULL;
 	char *pty_flags_string = NULL;
+        char *cursor_color_string = NULL;
 	char *cursor_blink_mode_string = NULL;
 	char *cursor_shape_string = NULL;
 	char *scrollbar_policy_string = NULL;
@@ -648,9 +649,9 @@ main(int argc, char **argv)
 			"Cursor blink mode (system|on|off)", "MODE"
 		},
 		{
-			"color-cursor", 'r', 0,
-			G_OPTION_ARG_NONE, &cursor_set,
-			"Enable a colored cursor", NULL
+			"cursor-color", 'r', 0,
+			G_OPTION_ARG_STRING, &cursor_color_string,
+			"Enable a colored cursor", "COLOR"
 		},
 		{
 			"cursor-shape", 0, 0,
@@ -797,6 +798,11 @@ main(int argc, char **argv)
                 g_string_append_c (css_string, '\n');
         }
 
+        if (cursor_color_string) {
+                g_string_append_printf (css_string, "VteTerminal { -VteTerminal-cursor-background-color: %s; }\n",
+                                        cursor_color_string);
+                g_free(cursor_color_string);
+        }
         if (cursor_shape_string) {
                 g_string_append_printf (css_string, "VteTerminal { -VteTerminal-cursor-shape: %s; }\n",
                                         cursor_shape_string);
@@ -964,9 +970,6 @@ main(int argc, char **argv)
 	if (highlight_set) {
 		vte_terminal_set_color_highlight_rgba(terminal, &highlight);
 	}
-	if (cursor_set) {
-		vte_terminal_set_color_cursor_rgba(terminal, &cursor);
-	}
 	if (termcap != NULL) {
 		vte_terminal_set_emulation(terminal, termcap);
 	}
diff --git a/src/vteseq.c b/src/vteseq.c
index 9e6851d..cc72ff4 100644
--- a/src/vteseq.c
+++ b/src/vteseq.c
@@ -3274,7 +3274,7 @@ vte_sequence_handler_change_cursor_color (VteTerminal *terminal, GValueArray *pa
 			return;
 
 		if (vte_parse_color (name, &color))
-			vte_terminal_set_color_cursor_rgba (terminal, &color);
+			_vte_terminal_set_color_cursor_rgba (terminal, &color, TRUE);
 		else if (strcmp (name, "?") == 0) {
 			gchar buf[128];
 			g_snprintf (buf, sizeof (buf),



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