[gedit/wip/search] Add custom gd-tagged-entry
- From: Ignacio Casal Quinteiro <icq src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gedit/wip/search] Add custom gd-tagged-entry
- Date: Fri, 12 Jul 2013 21:49:58 +0000 (UTC)
commit b7b9d879542110f0b9710bc4ab07033c84c46e4d
Author: Ignacio Casal Quinteiro <ignacio casal nice-software com>
Date: Fri Jul 12 23:49:15 2013 +0200
Add custom gd-tagged-entry
gedit/Makefile.am | 6 +-
gedit/gd-tagged-entry.c | 1054 +++++++++++++++++++++++++++++++++++++++++++++++
gedit/gd-tagged-entry.h | 95 +++++
3 files changed, 1153 insertions(+), 2 deletions(-)
---
diff --git a/gedit/Makefile.am b/gedit/Makefile.am
index fa621f2..8b04ddf 100644
--- a/gedit/Makefile.am
+++ b/gedit/Makefile.am
@@ -121,7 +121,8 @@ NOINST_H_FILES = \
gedittextregion.h \
gedit-ui.h \
gedit-view-frame.h \
- gedit-window-private.h
+ gedit-window-private.h \
+ gd-tagged-entry.h
INST_H_FILES = \
gedit-app.h \
@@ -210,7 +211,8 @@ libgedit_c_files = \
gedit-view.c \
gedit-view-frame.c \
gedit-window.c \
- gedittextregion.c
+ gedittextregion.c \
+ gd-tagged-entry.c
libgedit_la_SOURCES = \
$(BUILT_SOURCES) \
diff --git a/gedit/gd-tagged-entry.c b/gedit/gd-tagged-entry.c
new file mode 100644
index 0000000..08a9f84
--- /dev/null
+++ b/gedit/gd-tagged-entry.c
@@ -0,0 +1,1054 @@
+/*
+ * Copyright (c) 2011 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Cosimo Cecchi <cosimoc redhat com>
+ *
+ */
+
+#include "gd-tagged-entry.h"
+
+#include <math.h>
+
+G_DEFINE_TYPE (GdTaggedEntry, gd_tagged_entry, GTK_TYPE_SEARCH_ENTRY)
+
+#define BUTTON_INTERNAL_SPACING 6
+
+typedef struct {
+ GdkWindow *window;
+ PangoLayout *layout;
+
+ gchar *id;
+ gchar *label;
+ gchar *style;
+
+ GdkPixbuf *close_pixbuf;
+ GtkStateFlags last_button_state;
+} GdTaggedEntryTag;
+
+struct _GdTaggedEntryPrivate {
+ GList *tags;
+
+ GdTaggedEntryTag *in_child;
+ gboolean in_child_button;
+ gboolean in_child_active;
+ gboolean in_child_button_active;
+ gboolean button_visible;
+};
+
+enum {
+ SIGNAL_TAG_CLICKED,
+ SIGNAL_TAG_BUTTON_CLICKED,
+ LAST_SIGNAL
+};
+
+enum {
+ PROP_0,
+ PROP_TAG_BUTTON_VISIBLE,
+ NUM_PROPERTIES
+};
+
+static guint signals[LAST_SIGNAL] = { 0, };
+static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
+
+static void gd_tagged_entry_get_text_area_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height);
+static gint gd_tagged_entry_tag_get_width (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry);
+static GtkStyleContext * gd_tagged_entry_tag_get_context (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry);
+
+static void
+gd_tagged_entry_tag_get_margin (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry,
+ GtkBorder *margin)
+{
+ GtkStyleContext *context;
+
+ context = gd_tagged_entry_tag_get_context (tag, entry);
+ gtk_style_context_get_margin (context, 0, margin);
+ g_object_unref (context);
+}
+
+static void
+gd_tagged_entry_tag_ensure_close_pixbuf (GdTaggedEntryTag *tag,
+ GtkStyleContext *context)
+{
+ GtkIconInfo *info;
+ gint icon_size;
+
+ if (tag->close_pixbuf != NULL)
+ return;
+
+ gtk_icon_size_lookup (GTK_ICON_SIZE_MENU,
+ &icon_size, NULL);
+
+ info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (),
+ "window-close-symbolic",
+ icon_size,
+ GTK_ICON_LOOKUP_GENERIC_FALLBACK);
+
+ tag->close_pixbuf =
+ gtk_icon_info_load_symbolic_for_context (info, context,
+ NULL, NULL);
+
+ /* FIXME: we need a fallback icon in case the icon is not found */
+}
+
+static gint
+gd_tagged_entry_tag_panel_get_height (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkWidget *widget = GTK_WIDGET (entry);
+ gint height, req_height;
+ GtkRequisition requisition;
+ GtkAllocation allocation;
+ GtkBorder margin;
+
+ gtk_widget_get_allocation (widget, &allocation);
+ gtk_widget_get_preferred_size (widget, &requisition, NULL);
+ 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);
+ height = MIN (req_height, allocation.height) - margin.top - margin.bottom;
+
+ return height;
+}
+
+static void
+gd_tagged_entry_tag_panel_get_position (GdTaggedEntryTag *tag,
+ GdTaggedEntry *self,
+ gint *x_out,
+ gint *y_out)
+{
+ GtkWidget *widget = GTK_WIDGET (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 (tag, 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);
+}
+
+static gint
+gd_tagged_entry_tag_panel_get_width (GdTaggedEntry *self)
+{
+ GdTaggedEntryTag *tag;
+ gint width;
+ GList *l;
+
+ width = 0;
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ width += gd_tagged_entry_tag_get_width (tag, self);
+ }
+
+ return width;
+}
+
+static void
+gd_tagged_entry_tag_ensure_layout (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ if (tag->layout != NULL)
+ return;
+
+ tag->layout = pango_layout_new (gtk_widget_get_pango_context (GTK_WIDGET (entry)));
+ pango_layout_set_text (tag->layout, tag->label, -1);
+}
+
+static GtkStateFlags
+gd_tagged_entry_tag_get_state (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkStateFlags state = GTK_STATE_FLAG_NORMAL;
+
+ if (entry->priv->in_child == tag)
+ state |= GTK_STATE_FLAG_PRELIGHT;
+
+ if (entry->priv->in_child_active)
+ state |= GTK_STATE_FLAG_ACTIVE;
+
+ return state;
+}
+
+static GtkStateFlags
+gd_tagged_entry_tag_get_button_state (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkStateFlags state = GTK_STATE_FLAG_NORMAL;
+
+ if (entry->priv->in_child == tag &&
+ entry->priv->in_child_button)
+ state |= GTK_STATE_FLAG_PRELIGHT;
+
+ if (entry->priv->in_child_button_active)
+ state |= GTK_STATE_FLAG_ACTIVE;
+
+ return state;
+}
+
+static GtkStyleContext *
+gd_tagged_entry_tag_get_context (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkWidget *widget = GTK_WIDGET (entry);
+ GtkWidgetPath *path;
+ gint pos;
+ GtkStyleContext *retval;
+
+ retval = gtk_style_context_new ();
+ 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, tag->style);
+
+ gtk_style_context_set_path (retval, path);
+
+ gtk_widget_path_unref (path);
+
+ return retval;
+}
+
+static gint
+gd_tagged_entry_tag_get_width (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkBorder button_padding, button_border, button_margin;
+ GtkStyleContext *context;
+ GtkStateFlags state;
+ gint layout_width;
+ gint button_width;
+
+ 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 (tag, entry);
+ state = gd_tagged_entry_tag_get_state (tag, entry);
+
+ gtk_style_context_get_padding (context, state, &button_padding);
+ gtk_style_context_get_border (context, state, &button_border);
+ gtk_style_context_get_margin (context, state, &button_margin);
+
+ gd_tagged_entry_tag_ensure_close_pixbuf (tag, context);
+
+ g_object_unref (context);
+
+ button_width = 0;
+ if (entry->priv->button_visible)
+ button_width = gdk_pixbuf_get_width (tag->close_pixbuf) + BUTTON_INTERNAL_SPACING;
+
+ return layout_width + button_padding.left + button_padding.right +
+ button_border.left + button_border.right +
+ button_margin.left + button_margin.right +
+ button_width;
+}
+
+static void
+gd_tagged_entry_tag_get_size (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry,
+ gint *width_out,
+ gint *height_out)
+{
+ gint width, panel_height;
+
+ width = gd_tagged_entry_tag_get_width (tag, entry);
+ panel_height = gd_tagged_entry_tag_panel_get_height (tag, entry);
+
+ if (width_out)
+ *width_out = width;
+ if (height_out)
+ *height_out = panel_height;
+}
+
+static void
+gd_tagged_entry_tag_get_relative_allocations (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry,
+ GtkStyleContext *context,
+ GtkAllocation *background_allocation_out,
+ GtkAllocation *layout_allocation_out,
+ GtkAllocation *button_allocation_out)
+{
+ GtkAllocation background_allocation, layout_allocation, button_allocation;
+ gint width, height, x, y, pix_width, pix_height;
+ gint layout_width, layout_height;
+ GtkBorder padding, border;
+ GtkStateFlags state;
+
+ width = gdk_window_get_width (tag->window);
+ height = gdk_window_get_height (tag->window);
+
+ state = gd_tagged_entry_tag_get_state (tag, entry);
+ gtk_style_context_get_margin (context, state, &padding);
+
+ width -= padding.left + padding.right;
+ height -= padding.top + padding.bottom;
+ x = padding.left;
+ y = padding.top;
+
+ background_allocation.x = x;
+ background_allocation.y = y;
+ background_allocation.width = width;
+ background_allocation.height = height;
+
+ layout_allocation = button_allocation = background_allocation;
+
+ gtk_style_context_get_padding (context, state, &padding);
+ gtk_style_context_get_border (context, state, &border);
+
+ gd_tagged_entry_tag_ensure_layout (tag, entry);
+ pango_layout_get_pixel_size (tag->layout, &layout_width, &layout_height);
+
+ layout_allocation.x += border.left + padding.left;
+ layout_allocation.y += (layout_allocation.height - layout_height) / 2;
+
+ if (entry->priv->button_visible)
+ {
+ pix_width = gdk_pixbuf_get_width (tag->close_pixbuf);
+ pix_height = gdk_pixbuf_get_height (tag->close_pixbuf);
+ }
+ else
+ {
+ pix_width = 0;
+ pix_height = 0;
+ }
+
+ button_allocation.x += width - pix_width - border.right - padding.right;
+ button_allocation.y += (height - pix_height) / 2;
+ button_allocation.width = pix_width;
+ button_allocation.height = pix_height;
+
+ if (background_allocation_out)
+ *background_allocation_out = background_allocation;
+ if (layout_allocation_out)
+ *layout_allocation_out = layout_allocation;
+ if (button_allocation_out)
+ *button_allocation_out = button_allocation;
+}
+
+static gboolean
+gd_tagged_entry_tag_event_is_button (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry,
+ gdouble event_x,
+ gdouble event_y)
+{
+ GtkAllocation button_allocation;
+ GtkStyleContext *context;
+
+ if (!entry->priv->button_visible)
+ return FALSE;
+
+ 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);
+
+ /* see if the event falls into the button allocation */
+ if ((event_x >= button_allocation.x &&
+ event_x <= button_allocation.x + button_allocation.width) &&
+ (event_y >= button_allocation.y &&
+ event_y <= button_allocation.y + button_allocation.height))
+ return TRUE;
+
+ return FALSE;
+}
+
+static void
+gd_tagged_entry_tag_draw (GdTaggedEntryTag *tag,
+ cairo_t *cr,
+ GdTaggedEntry *entry)
+{
+ GtkStyleContext *context;
+ GtkStateFlags state;
+ GtkAllocation background_allocation, layout_allocation, button_allocation;
+
+ context = gd_tagged_entry_tag_get_context (tag, entry);
+ gd_tagged_entry_tag_get_relative_allocations (tag, entry, context,
+ &background_allocation,
+ &layout_allocation,
+ &button_allocation);
+
+ cairo_save (cr);
+ gtk_cairo_transform_to_window (cr, GTK_WIDGET (entry), tag->window);
+
+ gtk_style_context_save (context);
+
+ state = gd_tagged_entry_tag_get_state (tag, entry);
+ gtk_style_context_set_state (context, state);
+ gtk_render_background (context, cr,
+ background_allocation.x, background_allocation.y,
+ background_allocation.width, background_allocation.height);
+ gtk_render_frame (context, cr,
+ background_allocation.x, background_allocation.y,
+ background_allocation.width, background_allocation.height);
+
+ gtk_render_layout (context, cr,
+ layout_allocation.x, layout_allocation.y,
+ tag->layout);
+
+ gtk_style_context_restore (context);
+
+ if (!entry->priv->button_visible)
+ goto done;
+
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_BUTTON);
+ state = gd_tagged_entry_tag_get_button_state (tag, entry);
+ gtk_style_context_set_state (context, state);
+
+ /* if the state changed since last time we draw the pixbuf,
+ * clear and redraw it.
+ */
+ if (state != tag->last_button_state)
+ {
+ g_clear_object (&tag->close_pixbuf);
+ gd_tagged_entry_tag_ensure_close_pixbuf (tag, context);
+
+ tag->last_button_state = state;
+ }
+
+ gtk_render_background (context, cr,
+ button_allocation.x, button_allocation.y,
+ button_allocation.width, button_allocation.height);
+ gtk_render_frame (context, cr,
+ button_allocation.x, button_allocation.y,
+ button_allocation.width, button_allocation.height);
+
+ gtk_render_icon (context, cr,
+ tag->close_pixbuf,
+ button_allocation.x, button_allocation.y);
+
+done:
+ cairo_restore (cr);
+
+ g_object_unref (context);
+}
+
+static void
+gd_tagged_entry_tag_unrealize (GdTaggedEntryTag *tag)
+{
+ if (tag->window == NULL)
+ return;
+
+ gdk_window_set_user_data (tag->window, NULL);
+ gdk_window_destroy (tag->window);
+ tag->window = NULL;
+}
+
+static void
+gd_tagged_entry_tag_realize (GdTaggedEntryTag *tag,
+ GdTaggedEntry *entry)
+{
+ GtkWidget *widget = GTK_WIDGET (entry);
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+ gint tag_width, tag_height;
+
+ if (tag->window != NULL)
+ return;
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_ONLY;
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK
+ | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK;
+
+ gd_tagged_entry_tag_get_size (tag, entry, &tag_width, &tag_height);
+ attributes.x = 0;
+ attributes.y = 0;
+ attributes.width = tag_width;
+ attributes.height = tag_height;
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+ tag->window = gdk_window_new (gtk_widget_get_window (widget),
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (tag->window, widget);
+}
+
+static GdTaggedEntryTag *
+gd_tagged_entry_tag_new (const gchar *id,
+ const gchar *label,
+ const gchar *style)
+{
+ GdTaggedEntryTag *tag;
+
+ tag = g_slice_new0 (GdTaggedEntryTag);
+
+ tag->id = g_strdup (id);
+ tag->label = g_strdup (label);
+ tag->style = g_strdup (style);
+ tag->last_button_state = GTK_STATE_FLAG_NORMAL;
+
+ return tag;
+}
+
+static void
+gd_tagged_entry_tag_free (gpointer _tag)
+{
+ GdTaggedEntryTag *tag = _tag;
+
+ if (tag->window != NULL)
+ gd_tagged_entry_tag_unrealize (tag);
+
+ g_clear_object (&tag->layout);
+ g_clear_object (&tag->close_pixbuf);
+ g_free (tag->id);
+ g_free (tag->label);
+
+ g_slice_free (GdTaggedEntryTag, tag);
+}
+
+static gboolean
+gd_tagged_entry_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->draw (widget, cr);
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gd_tagged_entry_tag_draw (tag, cr, self);
+ }
+
+ return FALSE;
+}
+
+static void
+gd_tagged_entry_map (GtkWidget *widget)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ if (gtk_widget_get_realized (widget) && !gtk_widget_get_mapped (widget))
+ {
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->map (widget);
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gdk_window_show (tag->window);
+ }
+ }
+}
+
+static void
+gd_tagged_entry_unmap (GtkWidget *widget)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ if (gtk_widget_get_mapped (widget))
+ {
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gdk_window_hide (tag->window);
+ }
+
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->unmap (widget);
+ }
+}
+
+static void
+gd_tagged_entry_realize (GtkWidget *widget)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->realize (widget);
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gd_tagged_entry_tag_realize (tag, self);
+ }
+}
+
+static void
+gd_tagged_entry_unrealize (GtkWidget *widget)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->unrealize (widget);
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gd_tagged_entry_tag_unrealize (tag);
+ }
+}
+
+static void
+gd_tagged_entry_get_text_area_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (entry);
+ gint tag_panel_width;
+
+ GTK_ENTRY_CLASS (gd_tagged_entry_parent_class)->get_text_area_size (entry, x, y, width, height);
+
+ tag_panel_width = gd_tagged_entry_tag_panel_get_width (self);
+
+ if (width)
+ *width -= tag_panel_width;
+}
+
+static void
+gd_tagged_entry_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ gint x, y, width, height;
+ GdTaggedEntryTag *tag;
+ GList *l;
+
+ gtk_widget_set_allocation (widget, allocation);
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->size_allocate (widget, allocation);
+
+ if (gtk_widget_get_realized (widget))
+ {
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ tag = l->data;
+ gd_tagged_entry_tag_panel_get_position (tag, self, &x, &y);
+ gd_tagged_entry_tag_get_size (tag, self, &width, &height);
+ gdk_window_move_resize (tag->window, x, y, width, height);
+
+ x += width;
+ }
+
+ gtk_widget_queue_draw (widget);
+ }
+}
+
+static void
+gd_tagged_entry_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ gint tag_panel_width;
+
+ GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->get_preferred_width (widget, minimum, natural);
+
+ tag_panel_width = gd_tagged_entry_tag_panel_get_width (self);
+
+ if (minimum)
+ *minimum += tag_panel_width;
+ if (natural)
+ *natural += tag_panel_width;
+}
+
+static void
+gd_tagged_entry_finalize (GObject *obj)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (obj);
+
+ if (self->priv->tags != NULL)
+ {
+ g_list_free_full (self->priv->tags, gd_tagged_entry_tag_free);
+ self->priv->tags = NULL;
+ }
+
+ G_OBJECT_CLASS (gd_tagged_entry_parent_class)->finalize (obj);
+}
+
+static GdTaggedEntryTag *
+gd_tagged_entry_find_tag_by_id (GdTaggedEntry *self,
+ const gchar *id)
+{
+ GdTaggedEntryTag *tag = NULL, *elem;
+ GList *l;
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ elem = l->data;
+ if (g_strcmp0 (elem->id, id) == 0)
+ {
+ tag = elem;
+ break;
+ }
+ }
+
+ return tag;
+}
+
+static GdTaggedEntryTag *
+gd_tagged_entry_find_tag_by_window (GdTaggedEntry *self,
+ GdkWindow *window)
+{
+ GdTaggedEntryTag *tag = NULL, *elem;
+ GList *l;
+
+ for (l = self->priv->tags; l != NULL; l = l->next)
+ {
+ elem = l->data;
+ if (elem->window == window)
+ {
+ tag = elem;
+ break;
+ }
+ }
+
+ return tag;
+}
+
+static gint
+gd_tagged_entry_enter_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+
+ tag = gd_tagged_entry_find_tag_by_window (self, event->window);
+
+ if (tag != NULL)
+ {
+ self->priv->in_child = tag;
+ gtk_widget_queue_draw (widget);
+ }
+
+ return GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->enter_notify_event (widget, event);
+}
+
+static gint
+gd_tagged_entry_leave_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+
+ if (self->priv->in_child != NULL)
+ {
+ self->priv->in_child = NULL;
+ gtk_widget_queue_draw (widget);
+ }
+
+ return GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->leave_notify_event (widget, event);
+}
+
+static gint
+gd_tagged_entry_motion_notify (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+
+ tag = gd_tagged_entry_find_tag_by_window (self, event->window);
+
+ if (tag != NULL)
+ {
+ gdk_event_request_motions (event);
+
+ self->priv->in_child = tag;
+ self->priv->in_child_button = gd_tagged_entry_tag_event_is_button (tag, self, event->x, event->y);
+ gtk_widget_queue_draw (widget);
+
+ return FALSE;
+ }
+
+ return GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->motion_notify_event (widget, event);
+}
+
+static gboolean
+gd_tagged_entry_button_release_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+ GQuark id_quark;
+
+ tag = gd_tagged_entry_find_tag_by_window (self, event->window);
+
+ if (tag != NULL)
+ {
+ id_quark = g_quark_from_string (tag->id);
+ self->priv->in_child_active = FALSE;
+
+ if (gd_tagged_entry_tag_event_is_button (tag, self, event->x, event->y))
+ {
+ self->priv->in_child_button_active = FALSE;
+ g_signal_emit (self, signals[SIGNAL_TAG_BUTTON_CLICKED], id_quark, tag->id);
+ }
+ else
+ {
+ g_signal_emit (self, signals[SIGNAL_TAG_CLICKED], id_quark, tag->id);
+ }
+
+ gtk_widget_queue_draw (widget);
+
+ return TRUE;
+ }
+
+ return GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->button_release_event (widget, event);
+}
+
+static gboolean
+gd_tagged_entry_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (widget);
+ GdTaggedEntryTag *tag;
+
+ tag = gd_tagged_entry_find_tag_by_window (self, event->window);
+
+ if (tag != NULL)
+ {
+ if (gd_tagged_entry_tag_event_is_button (tag, self, event->x, event->y))
+ self->priv->in_child_button_active = TRUE;
+ else
+ self->priv->in_child_active = TRUE;
+
+ gtk_widget_queue_draw (widget);
+
+ return TRUE;
+ }
+
+ return GTK_WIDGET_CLASS (gd_tagged_entry_parent_class)->button_press_event (widget, event);
+}
+
+static void
+gd_tagged_entry_init (GdTaggedEntry *self)
+{
+ self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GD_TYPE_TAGGED_ENTRY, GdTaggedEntryPrivate);
+ self->priv->button_visible = TRUE;
+}
+
+static void
+gd_tagged_entry_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (object);
+
+ switch (property_id)
+ {
+ case PROP_TAG_BUTTON_VISIBLE:
+ g_value_set_boolean (value, gd_tagged_entry_get_tag_button_visible (self));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+gd_tagged_entry_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdTaggedEntry *self = GD_TAGGED_ENTRY (object);
+
+ switch (property_id)
+ {
+ case PROP_TAG_BUTTON_VISIBLE:
+ gd_tagged_entry_set_tag_button_visible (self, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+gd_tagged_entry_class_init (GdTaggedEntryClass *klass)
+{
+ GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
+ GtkEntryClass *eclass = GTK_ENTRY_CLASS (klass);
+ GObjectClass *oclass = G_OBJECT_CLASS (klass);
+
+ oclass->finalize = gd_tagged_entry_finalize;
+ oclass->set_property = gd_tagged_entry_set_property;
+ oclass->get_property = gd_tagged_entry_get_property;
+
+ wclass->realize = gd_tagged_entry_realize;
+ wclass->unrealize = gd_tagged_entry_unrealize;
+ wclass->map = gd_tagged_entry_map;
+ wclass->unmap = gd_tagged_entry_unmap;
+ wclass->size_allocate = gd_tagged_entry_size_allocate;
+ wclass->get_preferred_width = gd_tagged_entry_get_preferred_width;
+ wclass->draw = gd_tagged_entry_draw;
+ wclass->enter_notify_event = gd_tagged_entry_enter_notify;
+ wclass->leave_notify_event = gd_tagged_entry_leave_notify;
+ wclass->motion_notify_event = gd_tagged_entry_motion_notify;
+ wclass->button_press_event = gd_tagged_entry_button_press_event;
+ wclass->button_release_event = gd_tagged_entry_button_release_event;
+
+ eclass->get_text_area_size = gd_tagged_entry_get_text_area_size;
+
+ signals[SIGNAL_TAG_CLICKED] =
+ g_signal_new ("tag-clicked",
+ GD_TYPE_TAGGED_ENTRY,
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED,
+ 0, NULL, NULL, NULL,
+ G_TYPE_NONE,
+ 1, G_TYPE_STRING);
+ signals[SIGNAL_TAG_BUTTON_CLICKED] =
+ g_signal_new ("tag-button-clicked",
+ GD_TYPE_TAGGED_ENTRY,
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED,
+ 0, NULL, NULL, NULL,
+ G_TYPE_NONE,
+ 1, G_TYPE_STRING);
+
+ properties[PROP_TAG_BUTTON_VISIBLE] =
+ g_param_spec_boolean ("tag-close-visible", "Tag close icon visibility",
+ "Whether the close button should be shown in tags.", TRUE,
+ G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS);
+
+ g_type_class_add_private (klass, sizeof (GdTaggedEntryPrivate));
+ g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
+}
+
+GdTaggedEntry *
+gd_tagged_entry_new (void)
+{
+ return g_object_new (GD_TYPE_TAGGED_ENTRY, NULL);
+}
+
+gboolean
+gd_tagged_entry_add_styled (GdTaggedEntry *self,
+ const gchar *id,
+ const gchar *name,
+ const gchar *style)
+{
+ GdTaggedEntryTag *tag;
+
+ if (gd_tagged_entry_find_tag_by_id (self, id) != NULL)
+ return FALSE;
+
+ tag = gd_tagged_entry_tag_new (id, name, style);
+ self->priv->tags = g_list_append (self->priv->tags, tag);
+
+ if (gtk_widget_get_mapped (GTK_WIDGET (self)))
+ {
+ gd_tagged_entry_tag_realize (tag, self);
+ gdk_window_show_unraised (tag->window);
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+
+ return TRUE;
+}
+
+gboolean
+gd_tagged_entry_add_tag (GdTaggedEntry *self,
+ const gchar *id,
+ const gchar *name)
+{
+ return gd_tagged_entry_add_styled (self, id, name, "documents-entry-tag");
+}
+
+gboolean
+gd_tagged_entry_remove_tag (GdTaggedEntry *self,
+ const gchar *id)
+{
+ GdTaggedEntryTag *tag;
+ gboolean res = FALSE;
+
+ tag = gd_tagged_entry_find_tag_by_id (self, id);
+
+ if (tag != NULL)
+ {
+ res = TRUE;
+ self->priv->tags = g_list_remove (self->priv->tags, tag);
+ gd_tagged_entry_tag_free (tag);
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+ }
+
+ return res;
+}
+
+gboolean
+gd_tagged_entry_set_tag_label (GdTaggedEntry *self,
+ const gchar *tag_id,
+ const gchar *label)
+{
+ GdTaggedEntryTag *tag;
+ gboolean res = FALSE;
+
+ tag = gd_tagged_entry_find_tag_by_id (self, tag_id);
+
+ if (tag != NULL)
+ {
+ res = TRUE;
+
+ if (g_strcmp0 (tag->label, label) != 0)
+ {
+ g_free (tag->label);
+ tag->label = g_strdup (label);
+ g_clear_object (&tag->layout);
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+ }
+ }
+
+ return res;
+}
+
+void
+gd_tagged_entry_set_tag_button_visible (GdTaggedEntry *self,
+ gboolean visible)
+{
+ g_return_if_fail (GD_IS_TAGGED_ENTRY (self));
+
+ if (self->priv->button_visible == visible)
+ return;
+
+ self->priv->button_visible = visible;
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TAG_BUTTON_VISIBLE]);
+}
+
+gboolean
+gd_tagged_entry_get_tag_button_visible (GdTaggedEntry *self)
+{
+ g_return_val_if_fail (GD_IS_TAGGED_ENTRY (self), FALSE);
+
+ return self->priv->button_visible;
+}
diff --git a/gedit/gd-tagged-entry.h b/gedit/gd-tagged-entry.h
new file mode 100644
index 0000000..bb4b5ea
--- /dev/null
+++ b/gedit/gd-tagged-entry.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2011 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Cosimo Cecchi <cosimoc redhat com>
+ *
+ */
+
+#ifndef __GD_TAGGED_ENTRY_H__
+#define __GD_TAGGED_ENTRY_H__
+
+#include <glib-object.h>
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GD_TYPE_TAGGED_ENTRY gd_tagged_entry_get_type()
+
+#define GD_TAGGED_ENTRY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ GD_TYPE_TAGGED_ENTRY, GdTaggedEntry))
+
+#define GD_TAGGED_ENTRY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ GD_TYPE_TAGGED_ENTRY, GdTaggedEntryClass))
+
+#define GD_IS_TAGGED_ENTRY(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ GD_TYPE_TAGGED_ENTRY))
+
+#define GD_IS_TAGGED_ENTRY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+ GD_TYPE_TAGGED_ENTRY))
+
+#define GD_TAGGED_ENTRY_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+ GD_TYPE_TAGGED_ENTRY, GdTaggedEntryClass))
+
+typedef struct _GdTaggedEntry GdTaggedEntry;
+typedef struct _GdTaggedEntryClass GdTaggedEntryClass;
+typedef struct _GdTaggedEntryPrivate GdTaggedEntryPrivate;
+
+struct _GdTaggedEntry
+{
+ GtkSearchEntry parent;
+
+ GdTaggedEntryPrivate *priv;
+};
+
+struct _GdTaggedEntryClass
+{
+ GtkSearchEntryClass parent_class;
+};
+
+GType gd_tagged_entry_get_type (void) G_GNUC_CONST;
+
+GdTaggedEntry *gd_tagged_entry_new (void);
+
+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_add_styled (GdTaggedEntry *self,
+ const gchar *id,
+ const gchar *name,
+ const gchar *style);
+
+gboolean gd_tagged_entry_add_tag (GdTaggedEntry *entry,
+ const gchar *id,
+ const gchar *label);
+
+gboolean gd_tagged_entry_remove_tag (GdTaggedEntry *self,
+ const gchar *id);
+
+gboolean gd_tagged_entry_set_tag_label (GdTaggedEntry *self,
+ const gchar *tag_id,
+ const gchar *label);
+
+G_END_DECLS
+
+#endif /* __GD_TAGGED_ENTRY_H__ */
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