/* 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 "../gb.h" #include #include #include #include /* Include the 21x21 icon pixmap for this widget, to be used in the palette */ #include "../graphics/aspectframe.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 *LabelXAlign = "AspectFrame|GtkFrame::label_xalign"; static gchar *LabelYAlign = "AspectFrame|GtkFrame::label_yalign"; static gchar *Shadow = "AspectFrame|GtkFrame::shadow_type"; static gchar *XAlign = "GtkAspectFrame::xalign"; static gchar *YAlign = "GtkAspectFrame::yalign"; static gchar *Ratio = "GtkAspectFrame::ratio"; static gchar *Obey = "GtkAspectFrame::obey_child"; /* We don't show this any more, as the label is a child widget now, but we load this for compatability with old XML files. */ static gchar *Label = "AspectFrame|GtkFrame::label"; 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" }; /****** * 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 GtkAspectFrame, 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_aspect_frame_new (GbWidgetNewData * data) { GtkWidget *new_widget = gtk_aspect_frame_new (NULL, 0.5, 0.5, 1.0, TRUE); if (data->action != GB_LOADING) { GtkWidget *label, *alignment; gchar *label_markup; /* For HIG compliance, we create a frame with no shadow, with a label of "widget-name", and with an alignment to add 12 pixels padding on the left. */ gtk_frame_set_shadow_type (GTK_FRAME (new_widget), GTK_SHADOW_NONE); label = gb_widget_new ("GtkLabel", NULL); label_markup = g_strdup_printf ("%s", data->name); gtk_label_set_markup (GTK_LABEL (label), label_markup); g_free (label_markup); gtk_object_set_data (GTK_OBJECT (label), "GtkLabel::use_markup", GINT_TO_POINTER (TRUE)); gtk_frame_set_label_widget (GTK_FRAME (new_widget), label); alignment = gb_widget_new ("GtkAlignment", NULL); gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), 0, 0, 12, 0); gtk_container_add (GTK_CONTAINER (new_widget), alignment); } return new_widget; } /* * Creates the components needed to edit the extra properties of this widget. */ static void gb_aspect_frame_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) { property_add_float_range (LabelXAlign, _("Label X Align:"), _("The horizontal alignment of the frame's label widget"), 0, 1, 0.01, 0.1, 0.01, 2); property_add_float_range (LabelYAlign, _("Label Y Align:"), _("The vertical alignment of the frame's label widget"), 0, 1, 0.01, 0.1, 0.01, 2); property_add_choice (Shadow, _("Shadow:"), _("The type of shadow of the frame"), GbShadowChoices); property_add_float_range (XAlign, _("X Align:"), _("The horizontal alignment of the frame's child"), 0, 1, 0.01, 0.1, 0.01, 2); property_add_float_range (YAlign, _("Y Align:"), _("The horizontal alignment of the frame's child"), 0, 1, 0.01, 0.1, 0.01, 2); property_add_float (Ratio, _("Ratio:"), _("The aspect ratio of the frame's child")); property_add_bool (Obey, _("Obey Child:"), _("If the aspect ratio should be determined by the child")); } /* * 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_aspect_frame_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) { gint i; gb_widget_output_float (data, LabelXAlign, GTK_FRAME (widget)->label_xalign); gb_widget_output_float (data, LabelYAlign, GTK_FRAME (widget)->label_yalign); for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i++) { if (GbShadowValues[i] == GTK_FRAME (widget)->shadow_type) gb_widget_output_choice (data, Shadow, i, GbShadowSymbols[i]); } gb_widget_output_float (data, XAlign, GTK_ASPECT_FRAME (widget)->xalign); gb_widget_output_float (data, YAlign, GTK_ASPECT_FRAME (widget)->yalign); gb_widget_output_float (data, Ratio, GTK_ASPECT_FRAME (widget)->ratio); gb_widget_output_bool (data, Obey, GTK_ASPECT_FRAME (widget)->obey_child); } /* * 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_aspect_frame_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) { gfloat label_xalign, label_yalign; gboolean apply_xalign, apply_yalign; gfloat xalign, yalign, ratio; gchar *shadow; gboolean obey_child, set_aspect_frame = FALSE; gint i; /* We load the 'label' property, but create a child GbWidget. */ if (data->action == GB_LOADING) { gchar *label = gb_widget_input_string (data, Label); if (data->apply && label && *label) { GtkWidget *label_widget = gb_widget_new ("GtkLabel", NULL); gtk_label_set_text (GTK_LABEL (label_widget), label); gtk_frame_set_label_widget (GTK_FRAME (widget), label_widget); } } label_xalign = gb_widget_input_float (data, LabelXAlign); apply_xalign = data->apply; if (!apply_xalign) label_xalign = GTK_FRAME (widget)->label_xalign; label_yalign = gb_widget_input_float (data, LabelYAlign); apply_yalign = data->apply; if (!apply_yalign) label_yalign = GTK_FRAME (widget)->label_yalign; if (apply_xalign || apply_yalign) gtk_frame_set_label_align (GTK_FRAME (widget), label_xalign, label_yalign); 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_frame_set_shadow_type (GTK_FRAME (widget), GbShadowValues[i]); break; } } } xalign = gb_widget_input_float (data, XAlign); if (data->apply) set_aspect_frame = TRUE; else xalign = GTK_ASPECT_FRAME (widget)->xalign; yalign = gb_widget_input_float (data, YAlign); if (data->apply) set_aspect_frame = TRUE; else yalign = GTK_ASPECT_FRAME (widget)->yalign; ratio = gb_widget_input_float (data, Ratio); if (data->apply) set_aspect_frame = TRUE; else ratio = GTK_ASPECT_FRAME (widget)->ratio; obey_child = gb_widget_input_bool (data, Obey); if (data->apply) set_aspect_frame = TRUE; else obey_child = GTK_ASPECT_FRAME (widget)->obey_child; if (set_aspect_frame) gtk_aspect_frame_set (GTK_ASPECT_FRAME (widget), xalign, yalign, ratio, obey_child); } /* * 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_aspect_frame_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) { gfloat xalign, yalign; gint shadow = 0, i; if (data->create_widget) { source_add (data, " %s = gtk_aspect_frame_new (NULL, %g, %g, %g, %s);\n", data->wname, GTK_ASPECT_FRAME (widget)->xalign, GTK_ASPECT_FRAME (widget)->yalign, GTK_ASPECT_FRAME (widget)->ratio, GTK_ASPECT_FRAME (widget)->obey_child ? "TRUE" : "FALSE"); } gb_widget_write_standard_source (widget, data); xalign = GTK_FRAME (widget)->label_xalign; yalign = GTK_FRAME (widget)->label_yalign; if (xalign >= GLADE_EPSILON || fabs (yalign - 0.5) >= GLADE_EPSILON) { source_add (data, " gtk_frame_set_label_align (GTK_FRAME (%s), %g, 0.5);\n", data->wname, xalign); } if (GTK_FRAME (widget)->shadow_type != GTK_SHADOW_ETCHED_IN) { for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i ++) if (GbShadowValues[i] == GTK_FRAME (widget)->shadow_type) { shadow = i; break; } source_add (data, " gtk_frame_set_shadow_type (GTK_FRAME (%s), %s);\n", data->wname, GbShadowSymbols[shadow]); } } /* * 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_aspect_frame_init () { /* Initialise the GTK type */ volatile GtkType type; type = gtk_aspect_frame_get_type (); /* Initialize the GbWidget structure */ gb_widget_init_struct (&gbwidget); /* Fill in the pixmap struct & tooltip */ gbwidget.pixmap_struct = aspectframe_xpm; gbwidget.tooltip = _("Aspect Frame"); /* Fill in any functions that this GbWidget has */ gbwidget.gb_widget_new = gb_aspect_frame_new; gbwidget.gb_widget_create_properties = gb_aspect_frame_create_properties; gbwidget.gb_widget_get_properties = gb_aspect_frame_get_properties; gbwidget.gb_widget_set_properties = gb_aspect_frame_set_properties; gbwidget.gb_widget_write_source = gb_aspect_frame_write_source; /* We just use the GtkFrame functions for these. */ gbwidget.gb_widget_create_popup_menu = gb_frame_create_popup_menu; gbwidget.gb_widget_add_child = gb_frame_add_child; gbwidget.gb_widget_get_child_properties = gb_frame_get_child_properties; gbwidget.gb_widget_write_add_child_source = gb_frame_write_add_child_source; return &gbwidget; }