[libgd/wip/taggedentry] Improve tagged entry.



commit c847d5827184d78866dc593c746f9d7f21f45d04
Author: Ignacio Casal Quinteiro <ignacio casal nice-software com>
Date:   Sat Jul 13 12:08:26 2013 +0200

    Improve tagged entry.
    
     * It adds api to add a tag with a specific style.
     * It adds api to specify whether one tag has a close button or not
     * Add api for prepend the tag

 Makefile.am             |    9 ++++
 libgd/gd-tagged-entry.c |   99 +++++++++++++++++++++++++++++++++++------------
 libgd/gd-tagged-entry.h |   16 ++++++++
 test-tagged-entry.c     |   33 ++++++++++++++++
 4 files changed, 132 insertions(+), 25 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 9751494..2816abf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -199,6 +199,15 @@ tagged_entry_sources =                             \
 
 nodist_libgd_la_SOURCES += $(tagged_entry_sources)
 EXTRA_DIST += $(tagged_entry_sources)
+
+noinst_PROGRAMS += test-tagged-entry
+test_tagged_entry_SOURCES =                            \
+       test-tagged-entry.c                             \
+       $(NULL)
+test_tagged_entry_LDADD =                              \
+       $(LIBGD_LIBS)                           \
+       libgd.la                                \
+       $(NULL)
 endif
 
 if LIBGD_GIR
diff --git a/libgd/gd-tagged-entry.c b/libgd/gd-tagged-entry.c
index 8baff53..5060682 100644
--- a/libgd/gd-tagged-entry.c
+++ b/libgd/gd-tagged-entry.c
@@ -33,6 +33,8 @@ typedef struct {
 
   gchar *id;
   gchar *label;
+  gchar *style;
+  gboolean has_close_button;
 
   GdkPixbuf *close_pixbuf;
   GtkStateFlags last_button_state;
@@ -70,15 +72,17 @@ static void gd_tagged_entry_get_text_area_size (GtkEntry *entry,
                                                 gint *height);
 static gint gd_tagged_entry_tag_get_width (GdTaggedEntryTag *tag,
                                            GdTaggedEntry *entry);
-static GtkStyleContext * gd_tagged_entry_tag_get_context (GdTaggedEntry *entry);
+static GtkStyleContext * gd_tagged_entry_tag_get_context (GdTaggedEntryTag *tag,
+                                                          GdTaggedEntry *entry);
 
 static void
-gd_tagged_entry_tag_get_margin (GdTaggedEntry *entry,
+gd_tagged_entry_tag_get_margin (GdTaggedEntryTag *tag,
+                                GdTaggedEntry *entry,
                                 GtkBorder *margin)
 {
   GtkStyleContext *context;
 
-  context = gd_tagged_entry_tag_get_context (entry);
+  context = gd_tagged_entry_tag_get_context (tag, entry);
   gtk_style_context_get_margin (context, 0, margin);
   g_object_unref (context);
 }
@@ -109,7 +113,8 @@ gd_tagged_entry_tag_ensure_close_pixbuf (GdTaggedEntryTag *tag,
 }
 
 static gint
-gd_tagged_entry_tag_panel_get_height (GdTaggedEntry *entry)
+gd_tagged_entry_tag_panel_get_height (GdTaggedEntryTag *tag,
+                                      GdTaggedEntry *entry)
 {
   GtkWidget *widget = GTK_WIDGET (entry);
   gint height, req_height;
@@ -119,7 +124,7 @@ gd_tagged_entry_tag_panel_get_height (GdTaggedEntry *entry)
 
   gtk_widget_get_allocation (widget, &allocation);
   gtk_widget_get_preferred_size (widget, &requisition, NULL);
-  gd_tagged_entry_tag_get_margin (entry, &margin);
+  gd_tagged_entry_tag_get_margin (tag, entry, &margin);
 
   /* the tag panel height is the whole entry height, minus the tag margins */
   req_height = requisition.height - gtk_widget_get_margin_top (widget) - gtk_widget_get_margin_bottom 
(widget);
@@ -137,20 +142,18 @@ gd_tagged_entry_tag_panel_get_position (GdTaggedEntry *self,
   gint text_x, text_y, text_width, text_height, req_height;
   GtkAllocation allocation;
   GtkRequisition requisition;
-  GtkBorder margin;
 
   gtk_widget_get_allocation (widget, &allocation);
   gtk_widget_get_preferred_size (widget, &requisition, NULL);
   req_height = requisition.height - gtk_widget_get_margin_top (widget) - gtk_widget_get_margin_bottom 
(widget);
 
   gd_tagged_entry_get_text_area_size (GTK_ENTRY (self), &text_x, &text_y, &text_width, &text_height);
-  gd_tagged_entry_tag_get_margin (self, &margin);
 
   /* allocate the panel immediately after the text area */
   if (x_out)
     *x_out = allocation.x + text_x + text_width;
   if (y_out)
-    *y_out = allocation.y + margin.top + (gint) floor ((allocation.height - req_height) / 2);
+    *y_out = allocation.y + (gint) floor ((allocation.height - req_height) / 2);
 }
 
 static gint
@@ -214,7 +217,8 @@ gd_tagged_entry_tag_get_button_state (GdTaggedEntryTag *tag,
 }
 
 static GtkStyleContext *
-gd_tagged_entry_tag_get_context (GdTaggedEntry *entry)
+gd_tagged_entry_tag_get_context (GdTaggedEntryTag *tag,
+                                 GdTaggedEntry    *entry)
 {
   GtkWidget *widget = GTK_WIDGET (entry);
   GtkWidgetPath *path;
@@ -225,7 +229,7 @@ gd_tagged_entry_tag_get_context (GdTaggedEntry *entry)
   path = gtk_widget_path_copy (gtk_widget_get_path (widget));
 
   pos = gtk_widget_path_append_type (path, GD_TYPE_TAGGED_ENTRY);
-  gtk_widget_path_iter_add_class (path, pos, "documents-entry-tag");
+  gtk_widget_path_iter_add_class (path, pos, tag->style);
 
   gtk_style_context_set_path (retval, path);
 
@@ -247,7 +251,7 @@ gd_tagged_entry_tag_get_width (GdTaggedEntryTag *tag,
   gd_tagged_entry_tag_ensure_layout (tag, entry);
   pango_layout_get_pixel_size (tag->layout, &layout_width, NULL);
 
-  context = gd_tagged_entry_tag_get_context (entry);
+  context = gd_tagged_entry_tag_get_context (tag, entry);
   state = gd_tagged_entry_tag_get_state (tag, entry);
 
   gtk_style_context_get_padding (context, state, &button_padding);
@@ -259,7 +263,7 @@ gd_tagged_entry_tag_get_width (GdTaggedEntryTag *tag,
   g_object_unref (context);
 
   button_width = 0;
-  if (entry->priv->button_visible)
+  if (entry->priv->button_visible && tag->has_close_button)
     button_width = gdk_pixbuf_get_width (tag->close_pixbuf) + BUTTON_INTERNAL_SPACING;
 
   return layout_width + button_padding.left + button_padding.right +
@@ -277,7 +281,7 @@ gd_tagged_entry_tag_get_size (GdTaggedEntryTag *tag,
   gint width, panel_height;
 
   width = gd_tagged_entry_tag_get_width (tag, entry);
-  panel_height = gd_tagged_entry_tag_panel_get_height (entry);
+  panel_height = gd_tagged_entry_tag_panel_get_height (tag, entry);
 
   if (width_out)
     *width_out = width;
@@ -326,7 +330,7 @@ gd_tagged_entry_tag_get_relative_allocations (GdTaggedEntryTag *tag,
   layout_allocation.x += border.left + padding.left;
   layout_allocation.y += (layout_allocation.height - layout_height) / 2;
 
-  if (entry->priv->button_visible)
+  if (entry->priv->button_visible && tag->has_close_button)
     {
       pix_width = gdk_pixbuf_get_width (tag->close_pixbuf);
       pix_height = gdk_pixbuf_get_height (tag->close_pixbuf);
@@ -359,10 +363,10 @@ gd_tagged_entry_tag_event_is_button (GdTaggedEntryTag *tag,
   GtkAllocation button_allocation;
   GtkStyleContext *context;
 
-  if (!entry->priv->button_visible)
+  if (!entry->priv->button_visible || !tag->has_close_button)
     return FALSE;
 
-  context = gd_tagged_entry_tag_get_context (entry);
+  context = gd_tagged_entry_tag_get_context (tag, entry);
   gd_tagged_entry_tag_get_relative_allocations (tag, entry, context, NULL, NULL, &button_allocation);
 
   g_object_unref (context);
@@ -386,7 +390,7 @@ gd_tagged_entry_tag_draw (GdTaggedEntryTag *tag,
   GtkStateFlags state;
   GtkAllocation background_allocation, layout_allocation, button_allocation;
 
-  context = gd_tagged_entry_tag_get_context (entry);
+  context = gd_tagged_entry_tag_get_context (tag, entry);
   gd_tagged_entry_tag_get_relative_allocations (tag, entry, context,
                                                 &background_allocation,
                                                 &layout_allocation,
@@ -412,7 +416,7 @@ gd_tagged_entry_tag_draw (GdTaggedEntryTag *tag,
 
   gtk_style_context_restore (context);
 
-  if (!entry->priv->button_visible)
+  if (!entry->priv->button_visible || !tag->has_close_button)
     goto done;
 
   gtk_style_context_add_class (context, GTK_STYLE_CLASS_BUTTON);
@@ -492,7 +496,9 @@ gd_tagged_entry_tag_realize (GdTaggedEntryTag *tag,
 
 static GdTaggedEntryTag *
 gd_tagged_entry_tag_new (const gchar *id,
-                         const gchar *label)
+                         const gchar *label,
+                         const gchar *style,
+                         gboolean     has_close_button)
 {
   GdTaggedEntryTag *tag;
 
@@ -500,6 +506,8 @@ gd_tagged_entry_tag_new (const gchar *id,
 
   tag->id = g_strdup (id);
   tag->label = g_strdup (label);
+  tag->style = g_strdup (style);
+  tag->has_close_button = has_close_button;
   tag->last_button_state = GTK_STATE_FLAG_NORMAL;
 
   return tag;
@@ -646,9 +654,12 @@ gd_tagged_entry_size_allocate (GtkWidget *widget,
 
       for (l = self->priv->tags; l != NULL; l = l->next)
         {
+          GtkBorder margin;
+
           tag = l->data;
           gd_tagged_entry_tag_get_size (tag, self, &width, &height);
-          gdk_window_move_resize (tag->window, x, y, width, height);
+          gd_tagged_entry_tag_get_margin (tag, self, &margin);
+          gdk_window_move_resize (tag->window, x, y + margin.top, width, height);
 
           x += width;
         }
@@ -942,16 +953,19 @@ gd_tagged_entry_new (void)
 }
 
 gboolean
-gd_tagged_entry_add_tag (GdTaggedEntry *self,
-                         const gchar *id,
-                         const gchar *name)
+gd_tagged_entry_add_tag_styled (GdTaggedEntry *self,
+                                const gchar   *id,
+                                const gchar   *name,
+                                const gchar   *style,
+                                gboolean       has_close_button)
 {
   GdTaggedEntryTag *tag;
 
   if (gd_tagged_entry_find_tag_by_id (self, id) != NULL)
     return FALSE;
 
-  tag = gd_tagged_entry_tag_new (id, name);
+  has_close_button = has_close_button != FALSE;
+  tag = gd_tagged_entry_tag_new (id, name, style, has_close_button);
   self->priv->tags = g_list_append (self->priv->tags, tag);
 
   if (gtk_widget_get_mapped (GTK_WIDGET (self)))
@@ -966,6 +980,14 @@ gd_tagged_entry_add_tag (GdTaggedEntry *self,
 }
 
 gboolean
+gd_tagged_entry_add_tag (GdTaggedEntry *self,
+                         const gchar   *id,
+                         const gchar   *name)
+{
+  return gd_tagged_entry_add_tag_styled (self, id, name, "documents-entry-tag", TRUE);
+}
+
+gboolean
 gd_tagged_entry_remove_tag (GdTaggedEntry *self,
                             const gchar *id)
 {
@@ -1010,7 +1032,34 @@ gd_tagged_entry_set_tag_label (GdTaggedEntry *self,
         }
     }
 
-  return res;  
+  return res;
+}
+
+gboolean
+gd_tagged_entry_set_tag_has_close_button (GdTaggedEntry *self,
+                                          const gchar *tag_id,
+                                          gboolean has_close_button)
+{
+  GdTaggedEntryTag *tag;
+  gboolean res = FALSE;
+
+  has_close_button = has_close_button != FALSE;
+  tag = gd_tagged_entry_find_tag_by_id (self, tag_id);
+
+  if (tag != NULL)
+    {
+      res = TRUE;
+
+      if (tag->has_close_button != has_close_button)
+        {
+          tag->has_close_button = has_close_button;
+          g_clear_object (&tag->layout);
+
+          gtk_widget_queue_resize (GTK_WIDGET (self));
+        }
+    }
+
+  return res;
 }
 
 void
diff --git a/libgd/gd-tagged-entry.h b/libgd/gd-tagged-entry.h
index 7a29140..5c04e17 100644
--- a/libgd/gd-tagged-entry.h
+++ b/libgd/gd-tagged-entry.h
@@ -74,6 +74,18 @@ void     gd_tagged_entry_set_tag_button_visible (GdTaggedEntry *self,
                                                  gboolean       visible);
 gboolean gd_tagged_entry_get_tag_button_visible (GdTaggedEntry *self);
 
+gboolean gd_tagged_entry_append_tag_styled (GdTaggedEntry *self,
+                                            const gchar   *id,
+                                            const gchar   *name,
+                                            const gchar   *style,
+                                            gboolean       has_close_button);
+
+gboolean gd_tagged_entry_prepend_tag_styled (GdTaggedEntry *self,
+                                             const gchar   *id,
+                                             const gchar   *name,
+                                             const gchar   *style,
+                                             gboolean       has_close_button);
+
 gboolean gd_tagged_entry_add_tag (GdTaggedEntry *entry,
                                   const gchar *id,
                                   const gchar *label);
@@ -85,6 +97,10 @@ gboolean gd_tagged_entry_set_tag_label (GdTaggedEntry *self,
                                         const gchar *tag_id,
                                         const gchar *label);
 
+gboolean gd_tagged_entry_set_tag_has_close_button (GdTaggedEntry *self,
+                                                   const gchar *tag_id,
+                                                   gboolean has_close_button);
+
 G_END_DECLS
 
 #endif /* __GD_TAGGED_ENTRY_H__ */
diff --git a/test-tagged-entry.c b/test-tagged-entry.c
new file mode 100644
index 0000000..fdeb582
--- /dev/null
+++ b/test-tagged-entry.c
@@ -0,0 +1,33 @@
+#include <gtk/gtk.h>
+#include <libgd/gd-tagged-entry.h>
+
+gint
+main (gint argc,
+      gchar ** argv)
+{
+  GtkWidget *window, *box, *entry;
+
+  gtk_init (&argc, &argv);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_widget_set_size_request (window, 300, 300);
+
+  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+  gtk_container_add (GTK_CONTAINER (window), box);
+
+  entry = gd_tagged_entry_new ();
+  gtk_container_add (GTK_CONTAINER (box), entry);
+
+  gd_tagged_entry_append_tag_styled (GD_TAGGED_ENTRY (entry),
+                                     "tag1", "Blah", "documents-entry-tag", FALSE);
+  gd_tagged_entry_prepend_tag_styled (GD_TAGGED_ENTRY (entry),
+                                      "tag2", "Blah2", "documents-entry-tag", FALSE);
+  gd_tagged_entry_add_tag (GD_TAGGED_ENTRY (entry), "tag3", "Blah3");
+
+  gtk_widget_show_all (window);
+  gtk_main ();
+
+  gtk_widget_destroy (window);
+
+  return 0;
+}


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