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Diffstat (limited to 'shell/eggfindbar.c')
| -rw-r--r-- | shell/eggfindbar.c | 661 |
1 files changed, 661 insertions, 0 deletions
diff --git a/shell/eggfindbar.c b/shell/eggfindbar.c new file mode 100644 index 0000000..c81120c --- /dev/null +++ b/shell/eggfindbar.c @@ -0,0 +1,661 @@ +/* Copyright (C) 2004 Red Hat, Inc. + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +This library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the Gnome Library; see the file COPYING.LIB. If not, +write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. +*/ + +#include <config.h> + +#include "eggfindbar.h" + +#include <glib/gi18n.h> +#include <gtk/gtkhbox.h> +#include <gtk/gtkentry.h> +#include <gtk/gtkcheckbutton.h> +#include <gtk/gtkvseparator.h> +#include <gtk/gtkstock.h> +#include <gtk/gtklabel.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtkbindings.h> + +#include <string.h> + +typedef struct _EggFindBarPrivate EggFindBarPrivate; +struct _EggFindBarPrivate +{ + gchar *search_string; + GtkWidget *hbox; + GtkWidget *close_button; + GtkWidget *find_entry; + GtkWidget *next_button; + GtkWidget *previous_button; + GtkWidget *case_button; + guint case_sensitive : 1; +}; + +#define EGG_FIND_BAR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EGG_TYPE_FIND_BAR, EggFindBarPrivate)) + + +enum + { + PROP_0, + PROP_SEARCH_STRING, + PROP_CASE_SENSITIVE + }; + +static void egg_find_bar_finalize (GObject *object); +static void egg_find_bar_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); +static void egg_find_bar_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void egg_find_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void egg_find_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); + +G_DEFINE_TYPE (EggFindBar, egg_find_bar, GTK_TYPE_BIN); + +enum + { + NEXT, + PREVIOUS, + CLOSE, + LAST_SIGNAL + }; + +static guint find_bar_signals[LAST_SIGNAL] = { 0 }; + +static void +egg_find_bar_class_init (EggFindBarClass *klass) +{ + GObjectClass *object_class; + GtkWidgetClass *widget_class; + GtkBinClass *bin_class; + GtkBindingSet *binding_set; + + object_class = (GObjectClass *)klass; + widget_class = (GtkWidgetClass *)klass; + bin_class = (GtkBinClass *)klass; + + object_class->set_property = egg_find_bar_set_property; + object_class->get_property = egg_find_bar_get_property; + + object_class->finalize = egg_find_bar_finalize; + + widget_class->size_request = egg_find_bar_size_request; + widget_class->size_allocate = egg_find_bar_size_allocate; + + find_bar_signals[NEXT] = + g_signal_new ("next", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + find_bar_signals[PREVIOUS] = + g_signal_new ("previous", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + find_bar_signals[CLOSE] = + g_signal_new ("close", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + /** + * EggFindBar:search_string: + * + * The current string to search for. NULL or empty string + * both mean no current string. + * + */ + g_object_class_install_property (object_class, + PROP_SEARCH_STRING, + g_param_spec_string ("search_string", + _("Search string"), + _("The name of the string to be found"), + NULL, + G_PARAM_READWRITE)); + + /** + * EggFindBar:case_sensitive: + * + * TRUE for a case sensitive search. + * + */ + g_object_class_install_property (object_class, + PROP_CASE_SENSITIVE, + g_param_spec_boolean ("case_sensitive", + _("Case sensitive"), + _("TRUE for a case sensitive search"), + FALSE, + G_PARAM_READWRITE)); + + /* Style properties */ + gtk_widget_class_install_style_property (widget_class, + g_param_spec_boxed ("all_matches_color", + _("Highlight color"), + _("Color of highlight for all matches"), + GDK_TYPE_COLOR, + G_PARAM_READABLE)); + + gtk_widget_class_install_style_property (widget_class, + g_param_spec_boxed ("current_match_color", + _("Current color"), + _("Color of highlight for the current match"), + GDK_TYPE_COLOR, + G_PARAM_READABLE)); + + g_type_class_add_private (object_class, sizeof (EggFindBarPrivate)); + + binding_set = gtk_binding_set_by_class (klass); + + gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, + "close", 0); +} + +static void +egg_find_bar_emit_next (EggFindBar *find_bar) +{ + g_signal_emit (find_bar, find_bar_signals[NEXT], 0); +} + +static void +egg_find_bar_emit_previous (EggFindBar *find_bar) +{ + g_signal_emit (find_bar, find_bar_signals[PREVIOUS], 0); +} + +static void +egg_find_bar_emit_close (EggFindBar *find_bar) +{ + g_signal_emit (find_bar, find_bar_signals[CLOSE], 0); +} + +static void +close_clicked_callback (GtkButton *button, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + + egg_find_bar_emit_close (find_bar); +} + +static void +next_clicked_callback (GtkButton *button, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + + egg_find_bar_emit_next (find_bar); +} + +static void +previous_clicked_callback (GtkButton *button, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + + egg_find_bar_emit_previous (find_bar); +} + +static void +case_sensitive_toggled_callback (GtkCheckButton *button, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + + egg_find_bar_set_case_sensitive (find_bar, + gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button))); +} + +static void +entry_activate_callback (GtkEntry *entry, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + + egg_find_bar_emit_next (find_bar); +} + +static void +entry_changed_callback (GtkEntry *entry, + void *data) +{ + EggFindBar *find_bar = EGG_FIND_BAR (data); + char *text; + + /* paranoid strdup because set_search_string() sets + * the entry text + */ + text = g_strdup (gtk_entry_get_text (entry)); + + egg_find_bar_set_search_string (find_bar, text); + + g_free (text); +} + +static void +egg_find_bar_init (EggFindBar *find_bar) +{ + EggFindBarPrivate *priv; + GtkWidget *label; + GtkWidget *separator; + GtkWidget *image; + + /* Data */ + priv = EGG_FIND_BAR_GET_PRIVATE (find_bar); + find_bar->private_data = priv; + + priv->search_string = NULL; + + /* Widgets */ + gtk_widget_push_composite_child (); + priv->hbox = gtk_hbox_new (FALSE, 6); + gtk_container_set_border_width (GTK_CONTAINER (priv->hbox), 3); + + label = gtk_label_new_with_mnemonic (_("F_ind:")); + separator = gtk_vseparator_new (); + + priv->close_button = gtk_button_new (); + gtk_button_set_relief (GTK_BUTTON (priv->close_button), + GTK_RELIEF_NONE); + image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, + GTK_ICON_SIZE_SMALL_TOOLBAR); + gtk_container_add (GTK_CONTAINER (priv->close_button), image); + + priv->find_entry = gtk_entry_new (); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->find_entry); + + priv->previous_button = gtk_button_new_from_stock (GTK_STOCK_GO_BACK); + priv->next_button = gtk_button_new_from_stock (GTK_STOCK_GO_FORWARD); + + priv->case_button = gtk_check_button_new_with_mnemonic (_("C_ase Sensitive")); + + gtk_box_pack_start (GTK_BOX (priv->hbox), + priv->close_button, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + label, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + priv->find_entry, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + priv->previous_button, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + priv->next_button, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + separator, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (priv->hbox), + priv->case_button, FALSE, FALSE, 0); + + gtk_container_add (GTK_CONTAINER (find_bar), priv->hbox); + + gtk_widget_show (priv->hbox); + gtk_widget_show (priv->close_button); + gtk_widget_show (priv->find_entry); + gtk_widget_show (priv->previous_button); + gtk_widget_show (priv->next_button); + gtk_widget_show (separator); + gtk_widget_show (label); + gtk_widget_show (image); + + gtk_widget_pop_composite_child (); + + gtk_widget_show_all (priv->hbox); + + g_signal_connect (priv->close_button, "clicked", + G_CALLBACK (close_clicked_callback), + find_bar); + g_signal_connect (priv->find_entry, "changed", + G_CALLBACK (entry_changed_callback), + find_bar); + g_signal_connect (priv->find_entry, "activate", + G_CALLBACK (entry_activate_callback), + find_bar); + g_signal_connect (priv->next_button, "clicked", + G_CALLBACK (next_clicked_callback), + find_bar); + g_signal_connect (priv->previous_button, "clicked", + G_CALLBACK (previous_clicked_callback), + find_bar); + g_signal_connect (priv->case_button, "toggled", + G_CALLBACK (case_sensitive_toggled_callback), + find_bar); +} + +static void +egg_find_bar_finalize (GObject *object) +{ + EggFindBar *find_bar = EGG_FIND_BAR (object); + EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data; + + g_free (priv->search_string); + + G_OBJECT_CLASS (egg_find_bar_parent_class)->finalize (object); +} + +static void +egg_find_bar_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EggFindBar *find_bar = EGG_FIND_BAR (object); + + switch (prop_id) + { + case PROP_SEARCH_STRING: + egg_find_bar_set_search_string (find_bar, g_value_get_string (value)); + break; + case PROP_CASE_SENSITIVE: + egg_find_bar_set_case_sensitive (find_bar, g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +egg_find_bar_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EggFindBar *find_bar = EGG_FIND_BAR (object); + EggFindBarPrivate *priv = (EggFindBarPrivate *)find_bar->private_data; + + switch (prop_id) + { + case PROP_SEARCH_STRING: + g_value_set_string (value, priv->search_string); + break; + case PROP_CASE_SENSITIVE: + g_value_set_boolean (value, priv->case_sensitive); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +egg_find_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + GtkBin *bin = GTK_BIN (widget); + GtkRequisition child_requisition; + if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) + { + gtk_widget_size_request (bin->child, &child_requisition); + + *requisition = child_requisition; + } + else + { + requisition->width = 0; + requisition->height = 0; + } +} + +static void +egg_find_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkBin *bin = GTK_BIN (widget); + + widget->allocation = *allocation; + + if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) + gtk_widget_size_allocate (bin->child, allocation); +} + +/** + * egg_find_bar_new: + * + * Creates a new #EggFindBar. + * + * Returns: a newly created #EggFindBar + * + * Since: 2.6 + */ +GtkWidget * +egg_find_bar_new (void) +{ + EggFindBar *find_bar; + + find_bar = g_object_new (EGG_TYPE_FIND_BAR, NULL); + + return GTK_WIDGET (find_bar); +} + +/** + * egg_find_bar_set_search_string: + * + * Sets the string that should be found/highlighted in the document. + * Empty string is converted to NULL. + * + * Since: 2.6 + */ +void +egg_find_bar_set_search_string (EggFindBar *find_bar, + const char *search_string) +{ + EggFindBarPrivate *priv; + + g_return_if_fail (EGG_IS_FIND_BAR (find_bar)); + + priv = (EggFindBarPrivate *)find_bar->private_data; + + g_object_freeze_notify (G_OBJECT (find_bar)); + + if (priv->search_string != search_string) + { + char *old; + + old = priv->search_string; + + if (search_string && *search_string == '\0') + search_string = NULL; + + /* Only update if the string has changed; setting the entry + * will emit changed on the entry which will re-enter + * this function, but we'll handle that fine with this + * short-circuit. + */ + if ((old && search_string == NULL) || + (old == NULL && search_string) || + (old && search_string && + strcmp (old, search_string) != 0)) + { + priv->search_string = g_strdup (search_string); + g_free (old); + + gtk_entry_set_text (GTK_ENTRY (priv->find_entry), + priv->search_string ? + priv->search_string : + ""); + + g_object_notify (G_OBJECT (find_bar), + "search_string"); + } + } + + g_object_thaw_notify (G_OBJECT (find_bar)); +} + + +/** + * egg_find_bar_get_search_string: + * + * Gets the string that should be found/highlighted in the document. + * + * Returns: the string + * + * Since: 2.6 + */ +const char* +egg_find_bar_get_search_string (EggFindBar *find_bar) +{ + EggFindBarPrivate *priv; + + g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), NULL); + + priv = (EggFindBarPrivate *)find_bar->private_data; + + return priv->search_string; +} + +/** + * egg_find_bar_set_case_sensitive: + * + * Sets whether the search is case sensitive + * + * Since: 2.6 + */ +void +egg_find_bar_set_case_sensitive (EggFindBar *find_bar, + gboolean case_sensitive) +{ + EggFindBarPrivate *priv; + + g_return_if_fail (EGG_IS_FIND_BAR (find_bar)); + + priv = (EggFindBarPrivate *)find_bar->private_data; + + g_object_freeze_notify (G_OBJECT (find_bar)); + + case_sensitive = case_sensitive != FALSE; + + if (priv->case_sensitive != case_sensitive) + { + priv->case_sensitive = case_sensitive; + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->case_button), + priv->case_sensitive); + + g_object_notify (G_OBJECT (find_bar), + "case_sensitive"); + } + + g_object_thaw_notify (G_OBJECT (find_bar)); +} + +/** + * egg_find_bar_get_case_sensitive: + * + * Gets whether the search is case sensitive + * + * Returns: TRUE if it's case sensitive + * + * Since: 2.6 + */ +gboolean +egg_find_bar_get_case_sensitive (EggFindBar *find_bar) +{ + EggFindBarPrivate *priv; + + g_return_val_if_fail (EGG_IS_FIND_BAR (find_bar), FALSE); + + priv = (EggFindBarPrivate *)find_bar->private_data; + + return priv->case_sensitive; +} + +static void +get_style_color (EggFindBar *find_bar, + const char *style_prop_name, + GdkColor *color) +{ + GdkColor *style_color; + + gtk_widget_ensure_style (GTK_WIDGET (find_bar)); + gtk_widget_style_get (GTK_WIDGET (find_bar), + "color", &style_color, NULL); + if (style_color) + { + *color = *style_color; + gdk_color_free (style_color); + } +} + +/** + * egg_find_bar_get_all_matches_color: + * + * Gets the color to use to highlight all the + * known matches. + * + * Since: 2.6 + */ +void +egg_find_bar_get_all_matches_color (EggFindBar *find_bar, + GdkColor *color) +{ + GdkColor found_color = { 0, 0, 0, 0x0f0f }; + + get_style_color (find_bar, "all_matches_color", &found_color); + + *color = found_color; +} + +/** + * egg_find_bar_get_current_match_color: + * + * Gets the color to use to highlight the match + * we're currently on. + * + * Since: 2.6 + */ +void +egg_find_bar_get_current_match_color (EggFindBar *find_bar, + GdkColor *color) +{ + GdkColor found_color = { 0, 0, 0, 0xffff }; + + get_style_color (find_bar, "current_match_color", &found_color); + + *color = found_color; +} + +/** + * egg_find_bar_grab_focus: + * + * Focuses the text entry in the find bar; currently GTK+ doesn't have + * a way to make this work on gtk_widget_grab_focus(find_bar). + * + * Since: 2.6 + */ +void +egg_find_bar_grab_focus (EggFindBar *find_bar) +{ + EggFindBarPrivate *priv; + + g_return_if_fail (EGG_IS_FIND_BAR (find_bar)); + + priv = (EggFindBarPrivate *)find_bar->private_data; + + gtk_widget_grab_focus (priv->find_entry); +} |