diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbclist.c')
| -rw-r--r-- | tools/glade/glade/gbwidgets/gbclist.c | 610 |
1 files changed, 610 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbclist.c b/tools/glade/glade/gbwidgets/gbclist.c new file mode 100644 index 00000000..d52ef9bc --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbclist.c @@ -0,0 +1,610 @@ + +/* Gtk+ User Interface Builder + * Copyright (C) 1998 Damon Chaplin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <string.h> + +#include <gtk/gtk.h> +#include <gtk/gtkclist.h> +#include <gtk/gtkhbox.h> +#include <gtk/gtkmain.h> +#include <gtk/gtkspinbutton.h> +#include "../gb.h" + +/* Include the 21x21 icon pixmap for this widget, to be used in the palette */ +#include "../graphics/clist.xpm" + +/* + * This is the GbWidget struct for this widget (see ../gbwidget.h). + * It is initialized in the init() function at the end of this file + */ +static GbWidget gbwidget; + +static gchar *Mode = "GtkCList::selection_mode"; +static gchar *Titles = "GtkCList::show_titles"; +static gchar *Shadow = "GtkCList::shadow_type"; + +/* This is only used for loading & saving - it isn't displayed in the property + editor. */ +static gchar *Cols = "GtkCList::n_columns"; +static gchar *ColumnWidths = "GtkCList::column_widths"; + +static const gchar *GbModeChoices[] = +{"Single", "Browse", "Multiple", NULL}; +static const gint GbModeValues[] = +{ + GTK_SELECTION_SINGLE, + GTK_SELECTION_BROWSE, + GTK_SELECTION_MULTIPLE +}; +static const gchar *GbModeSymbols[] = +{ + "GTK_SELECTION_SINGLE", + "GTK_SELECTION_BROWSE", + "GTK_SELECTION_MULTIPLE" +}; + +static const gchar *GbShadowChoices[] = +{"None", "In", "Out", + "Etched In", "Etched Out", NULL}; +static const gint GbShadowValues[] = +{ + GTK_SHADOW_NONE, + GTK_SHADOW_IN, + GTK_SHADOW_OUT, + GTK_SHADOW_ETCHED_IN, + GTK_SHADOW_ETCHED_OUT +}; +static const gchar *GbShadowSymbols[] = +{ + "GTK_SHADOW_NONE", + "GTK_SHADOW_IN", + "GTK_SHADOW_OUT", + "GTK_SHADOW_ETCHED_IN", + "GTK_SHADOW_ETCHED_OUT" +}; + + +static void show_clist_dialog (GbWidgetNewData * data); +static void on_clist_dialog_ok (GtkWidget * widget, + GbWidgetNewData * data); +static void on_clist_dialog_destroy (GtkWidget * widget, + GbWidgetNewData * data); +static GtkWidget *new_label (GtkWidget * parent); +static GtkWidget *new_unnamed_label (GtkWidget * parent); + + +/****** + * NOTE: To use these functions you need to uncomment them AND add a pointer + * to the function in the GbWidget struct at the end of this file. + ******/ + +/* + * Creates a new GtkWidget of class GtkCList, performing any specialized + * initialization needed for the widget to work correctly in this environment. + * If a dialog box is used to initialize the widget, return NULL from this + * function, and call data->callback with your new widget when it is done. + * If the widget needs a special destroy handler, add a signal here. + */ +GtkWidget * +gb_clist_new (GbWidgetNewData * data) +{ + GtkWidget *new_widget; + gint cols = 0, i; + + if (data->action == GB_LOADING) + { + cols = load_int (data->loading_data, Cols); + if (cols == 0) + cols = 1; + new_widget = gtk_clist_new (cols); + + /* GtkCList has problems if the title buttons aren't created. */ + for (i = 0; i < cols; i++) + { + gtk_clist_set_column_widget (GTK_CLIST (new_widget), i, + new_unnamed_label (new_widget)); + gtk_clist_set_column_width (GTK_CLIST (new_widget), i, 80); + editor_add_mouse_signals_to_existing (GTK_CLIST (new_widget)->column[i].button); + } + + return new_widget; + } + else + { + show_clist_dialog (data); + return NULL; + } +} + + +static void +show_clist_dialog (GbWidgetNewData * data) +{ + GtkWidget *dialog, *vbox, *hbox, *label, *spinbutton; + GtkObject *adjustment; + + dialog = glade_util_create_dialog (_("New columned list"), data->parent, + GTK_SIGNAL_FUNC (on_clist_dialog_ok), + data, &vbox); + gtk_signal_connect (GTK_OBJECT (dialog), "destroy", + GTK_SIGNAL_FUNC (on_clist_dialog_destroy), data); + + hbox = gtk_hbox_new (FALSE, 5); + gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5); + gtk_container_set_border_width (GTK_CONTAINER (hbox), 10); + gtk_widget_show (hbox); + + label = gtk_label_new (_("Number of columns:")); + gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 5); + gtk_widget_show (label); + + adjustment = gtk_adjustment_new (3, 1, 100, 1, 10, 10); + spinbutton = glade_util_spin_button_new (GTK_OBJECT (dialog), "cols", + GTK_ADJUSTMENT (adjustment), 1, 0); + gtk_box_pack_start (GTK_BOX (hbox), spinbutton, TRUE, TRUE, 5); + gtk_widget_set_usize (spinbutton, 50, -1); + gtk_widget_grab_focus (spinbutton); + gtk_widget_show (spinbutton); + + gtk_widget_show (dialog); + gtk_grab_add (dialog); +} + + +static void +on_clist_dialog_ok (GtkWidget * widget, + GbWidgetNewData * data) +{ + GtkWidget *new_widget, *spinbutton, *dialog, *label; + gint cols, i; + + dialog = gtk_widget_get_toplevel (widget); + + /* Only call callback if placeholder/fixed widget is still there */ + if (gb_widget_can_finish_new (data)) + { + spinbutton = gtk_object_get_data (GTK_OBJECT (dialog), "cols"); + g_return_if_fail (spinbutton != NULL); + cols = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spinbutton)); + + new_widget = gtk_clist_new (cols); + gtk_clist_column_titles_show (GTK_CLIST (new_widget)); + for (i = 0; i < cols; i++) + { + label = new_label (new_widget); + gtk_clist_set_column_widget (GTK_CLIST (new_widget), i, + label); + gtk_clist_set_column_width (GTK_CLIST (new_widget), i, 80); + } + + gb_widget_initialize (new_widget, data); + (*data->callback) (new_widget, data); + } + gtk_widget_destroy (dialog); +} + + +static void +on_clist_dialog_destroy (GtkWidget * widget, + GbWidgetNewData * data) +{ + gb_widget_free_new_data (data); + gtk_grab_remove (widget); +} + + +GtkWidget * +new_label (GtkWidget * parent) +{ + GtkWidget *label; + + label = gb_widget_new ("GtkLabel", parent); + g_return_val_if_fail (label != NULL, NULL); + gb_widget_set_child_name (label, GladeChildCListTitle); + return label; +} + + +GtkWidget * +new_unnamed_label (GtkWidget * parent) +{ + GtkWidget *label; + + label = gb_widget_new_full ("GtkLabel", FALSE, parent, NULL, 0, 0, NULL, + GB_CREATING, NULL); + g_return_val_if_fail (label != NULL, NULL); + gb_widget_set_child_name (label, GladeChildCListTitle); + return label; +} + + +/* + * Creates the components needed to edit the extra properties of this widget. + */ +static void +gb_clist_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) +{ + property_add_choice (Mode, _("Select Mode:"), + _("The selection mode of the columned list"), + GbModeChoices); + property_add_bool (Titles, _("Show Titles:"), + _("If the column titles are shown")); + property_add_choice (Shadow, _("Shadow:"), + _("The type of shadow of the columned list's border"), + GbShadowChoices); +} + + + +/* + * Gets the properties of the widget. This is used for both displaying the + * properties in the property editor, and also for saving the properties. + */ +static void +gb_clist_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) +{ + gchar buffer[1024]; + gchar *pos; + gboolean buffer_overrun = FALSE; + gint i; + + if (data->action == GB_SAVING) + { + gb_widget_output_int (data, Cols, GTK_CLIST (widget)->columns); + + pos = buffer; + for (i = 0; i < GTK_CLIST (widget)->columns; i++) + { + if (i == 0) + sprintf (pos, "%i", GTK_CLIST (widget)->column[i].width); + else + sprintf (pos, ",%i", GTK_CLIST (widget)->column[i].width); + pos += strlen (pos); + + /* Extra check to make sure we don't overrun the buffer. */ + if (pos - buffer > 1000) + { + g_warning ("Buffer overflow"); + buffer_overrun = TRUE; + break; + } + } + if (!buffer_overrun) + gb_widget_output_string (data, ColumnWidths, buffer); + } + + for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) + { + if (GbModeValues[i] == GTK_CLIST (widget)->selection_mode) + gb_widget_output_choice (data, Mode, i, GbModeSymbols[i]); + } + + gb_widget_output_bool (data, Titles, GTK_CLIST_SHOW_TITLES (widget)); + + for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i++) + { + if (GbShadowValues[i] == GTK_CLIST (widget)->shadow_type) + gb_widget_output_choice (data, Shadow, i, GbShadowSymbols[i]); + } +} + + + +/* + * Sets the properties of the widget. This is used for both applying the + * properties changed in the property editor, and also for loading. + */ +static void +gb_clist_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) +{ + gchar *widths, *pos, *mode; + gchar *shadow; + gboolean titles; + gint col, w, i; + + if (data->action == GB_LOADING) + { + widths = gb_widget_input_string (data, ColumnWidths); + if (data->apply) + { + pos = widths; + for (col = 0; col < GTK_CLIST (widget)->columns; col++) + { + w = atoi (pos); + gtk_clist_set_column_width (GTK_CLIST (widget), col, w); + pos = strchr (pos, ','); + if (!pos) + break; + pos++; + } + } + } + + mode = gb_widget_input_choice (data, Mode); + if (data->apply) + { + for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) + { + if (!strcmp (mode, GbModeChoices[i]) + || !strcmp (mode, GbModeSymbols[i])) + { + gtk_clist_set_selection_mode (GTK_CLIST (widget), GbModeValues[i]); + break; + } + } + } + + titles = gb_widget_input_bool (data, Titles); + if (data->apply) + { + if (titles) + gtk_clist_column_titles_show (GTK_CLIST (widget)); + else + gtk_clist_column_titles_hide (GTK_CLIST (widget)); + } + + shadow = gb_widget_input_choice (data, Shadow); + if (data->apply) + { + for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i + ++) + { + if (!strcmp (shadow, GbShadowChoices[i]) + || !strcmp (shadow, GbShadowSymbols[i])) + { + gtk_clist_set_shadow_type (GTK_CLIST (widget), + GbShadowValues[i]); + break; + } + } + } +} + + + +/* + * Adds menu items to a context menu which is just about to appear! + * Add commands to aid in editing a GtkCList, with signals pointing to + * other functions in this file. + */ +/* + static void + gb_clist_create_popup_menu(GtkWidget *widget, GbWidgetCreateMenuData *data) + { + + } + */ + + +void +gb_clist_add_child (GtkWidget *widget, GtkWidget *child, GbWidgetSetArgData *data) +{ + /* We store the last column title read in 'last_child' */ + gint col = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), + "last_child")); + + if (col >= GTK_CLIST (widget)->columns) { + g_warning ("Too many column title widgets for GtkCList - skipping"); + return; + } + + gtk_clist_set_column_widget (GTK_CLIST (widget), col, child); + gtk_object_set_data (GTK_OBJECT (widget), "last_child", + GINT_TO_POINTER (col + 1)); + + /* We need to add signals to the clist button, just in case the + title widget has no window and so doesn't get signals itself. + Since Clist always creates 1 button initially, the signals would + be added to this button in gb_widget_new, so we could skip it, + but it doesn't hurt. */ + editor_add_mouse_signals_to_existing (GTK_CLIST (widget)->column[col].button); +} + + +/* + * Writes the source code needed to create this widget. + * You have to output everything necessary to create the widget here, though + * there are some convenience functions to help. + */ +static void +gb_clist_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) +{ + gint col, i; + + if (data->create_widget) + { + source_add (data, " %s = gtk_clist_new (%i);\n", data->wname, + GTK_CLIST (widget)->columns); + } + + /* We reset the last_child index, so as the title widgets are written out + they will start at column 0. */ + gtk_object_set_data (GTK_OBJECT (widget), "last_child", + GINT_TO_POINTER (-1)); + + gb_widget_write_standard_source (widget, data); + + for (col = 0; col < GTK_CLIST (widget)->columns; col++) + { + source_add (data, + " gtk_clist_set_column_width (GTK_CLIST (%s), %i, %i);\n", + data->wname, col, GTK_CLIST (widget)->column[col].width); + } + + if (GTK_CLIST (widget)->selection_mode != GTK_SELECTION_SINGLE) + { + for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) + { + if (GbModeValues[i] == GTK_CLIST (widget)->selection_mode) + source_add (data, + " gtk_clist_set_selection_mode (GTK_CLIST (%s), %s);\n", + data->wname, GbModeSymbols[i]); + } + } + + if (GTK_CLIST_SHOW_TITLES (widget)) + source_add (data, " gtk_clist_column_titles_show (GTK_CLIST (%s));\n", + data->wname); + else + source_add (data, " gtk_clist_column_titles_hide (GTK_CLIST (%s));\n", + data->wname); + + if (GTK_CLIST (widget)->shadow_type != GTK_SHADOW_IN) + { + for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i + ++) + { + if (GbShadowValues[i] == GTK_CLIST (widget)->shadow_type) + source_add (data, + " gtk_clist_set_shadow_type (GTK_CLIST (%s), %s);\n", + data->wname, GbShadowSymbols[i]); + } + } +} + + +/* Outputs source to add a child widget to a CList. */ +static void +gb_clist_write_add_child_source (GtkWidget * parent, + const gchar *parent_name, + GtkWidget *child, + GbWidgetWriteSourceData * data) +{ + gchar *child_name; + + child_name = gb_widget_get_child_name (child); + + /* See if this is a title widget. */ + if (child_name && (!strcmp (child_name, GladeChildCListTitle))) + { + /* We store the last column title written in 'last_child' */ + gint col = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (parent), + "last_child")); + source_add (data, + " gtk_clist_set_column_widget (GTK_CLIST (%s), %i, %s);\n", + parent_name, col + 1, data->wname); + + gtk_object_set_data (GTK_OBJECT (parent), "last_child", + GINT_TO_POINTER (col + 1)); + } + else + { + g_warning ("Unknown CList child widgetL %s", data->wname); + source_add (data, " gtk_container_add (GTK_CONTAINER (%s), %s);\n", + parent_name, data->wname); + } +} + + + +/* This just redraws the entire widget when it is scrolled, to make sure that + it isn't messed up due to our selection handles. */ +static void +gb_scroll_adjustment_changed (GtkAdjustment *adjustment, + GtkWidget *widget) +{ + /* We check that this is a widget in the interface being created rather + than part of Glade's interface. */ + if (GB_IS_GB_WIDGET (widget)) + gtk_widget_queue_clear (widget); +} + + +gboolean +gb_set_scroll_adjustments_hook (GSignalInvocationHint *ihint, + guint n_param_values, + const GValue *param_values, + gpointer data) +{ + GtkObject *object, *hadjustment, *vadjustment; + GtkObject *old_hadjustment, *old_vadjustment; + + object = g_value_get_object (param_values); + + hadjustment = g_value_get_object (param_values + 1); + vadjustment = g_value_get_object (param_values + 2); + + old_hadjustment = gtk_object_get_data (object, "scrollhadjustment"); + if (hadjustment != old_hadjustment) + { + gtk_object_set_data (object, "scrollhadjustment", hadjustment); + + if (hadjustment) + gtk_signal_connect (hadjustment, "value_changed", + (GtkSignalFunc) gb_scroll_adjustment_changed, + object); + } + + old_vadjustment = gtk_object_get_data (object, "scrollvadjustment"); + if (vadjustment != old_vadjustment) + { + gtk_object_set_data (object, "scrollvadjustment", vadjustment); + + if (vadjustment) + gtk_signal_connect (vadjustment, "value_changed", + (GtkSignalFunc) gb_scroll_adjustment_changed, + object); + } + + return TRUE; +} + + +/* + * Initializes the GbWidget structure. + * I've placed this at the end of the file so we don't have to include + * declarations of all the functions. + */ +GbWidget * +gb_clist_init () +{ + GtkWidgetClass *klass; + + /* Initialise the GTK type */ + volatile GtkType type; + type = gtk_clist_get_type (); + + /* Add a signal emission hook so we can connect signal handlers to the + scrollbar adjustments to redraw the clist when necessary. This will also + work for subclasses of GtkCList. */ + klass = gtk_type_class (gtk_clist_get_type ()); + g_signal_add_emission_hook (klass->set_scroll_adjustments_signal, 0, + gb_set_scroll_adjustments_hook, NULL, NULL); + + /* Initialize the GbWidget structure */ + gb_widget_init_struct (&gbwidget); + + /* Fill in the pixmap struct & tooltip */ + gbwidget.pixmap_struct = clist_xpm; + gbwidget.tooltip = _("Columned List"); + + /* Fill in any functions that this GbWidget has */ + gbwidget.gb_widget_new = gb_clist_new; + gbwidget.gb_widget_add_child = gb_clist_add_child; + gbwidget.gb_widget_create_properties = gb_clist_create_properties; + gbwidget.gb_widget_get_properties = gb_clist_get_properties; + gbwidget.gb_widget_set_properties = gb_clist_set_properties; + gbwidget.gb_widget_write_source = gb_clist_write_source; + gbwidget.gb_widget_write_add_child_source = gb_clist_write_add_child_source; +/* + gbwidget.gb_widget_create_popup_menu = gb_clist_create_popup_menu; + */ + + return &gbwidget; +} |