diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbaspectframe.c')
| -rw-r--r-- | tools/glade/glade/gbwidgets/gbaspectframe.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbaspectframe.c b/tools/glade/glade/gbwidgets/gbaspectframe.c new file mode 100644 index 00000000..b0c3e181 --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbaspectframe.c @@ -0,0 +1,335 @@ + +/* 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 <math.h> +#include <gtk/gtkalignment.h> +#include <gtk/gtkaspectframe.h> +#include <gtk/gtklabel.h> + +/* 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 "<b>widget-name</b>", 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 ("<b>%s</b>", 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; +} |