diff options
Diffstat (limited to 'glabels2/src/wdgt-media-select.c')
| -rw-r--r-- | glabels2/src/wdgt-media-select.c | 517 |
1 files changed, 517 insertions, 0 deletions
diff --git a/glabels2/src/wdgt-media-select.c b/glabels2/src/wdgt-media-select.c new file mode 100644 index 0000000..d8dcca7 --- /dev/null +++ b/glabels2/src/wdgt-media-select.c @@ -0,0 +1,517 @@ +/* + * (GLABELS) Label and Business Card Creation program for GNOME + * + * wdgt_media_select.c: media selection widget module + * + * Copyright (C) 2001-2002 Jim Evins <evins@snaught.com>. + * + * 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 <config.h> + +#include "wdgt-media-select.h" +#include "template.h" +#include "wdgt-mini-preview.h" +#include "prefs.h" +#include "util.h" +#include "marshal.h" + +#include "debug.h" + +#define WDGT_MINI_PREVIEW_WIDTH 160 +#define WDGT_MINI_PREVIEW_HEIGHT 200 + +/*===========================================*/ +/* Private types */ +/*===========================================*/ + +enum { + CHANGED, + LAST_SIGNAL +}; + +typedef void (*glWdgtMediaSelectSignal) (GObject * object, gpointer data); + +/*===========================================*/ +/* Private globals */ +/*===========================================*/ + +static GObjectClass *parent_class; + +static gint wdgt_media_select_signals[LAST_SIGNAL] = { 0 }; + +/*===========================================*/ +/* Local function prototypes */ +/*===========================================*/ + +static void gl_wdgt_media_select_class_init (glWdgtMediaSelectClass * class); +static void gl_wdgt_media_select_instance_init (glWdgtMediaSelect * media_select); +static void gl_wdgt_media_select_finalize (GObject * object); + +static void gl_wdgt_media_select_construct (glWdgtMediaSelect * media_select); + +static void page_size_entry_changed_cb (GtkEntry * entry, + gpointer user_data); +static void template_entry_changed_cb (GtkEntry * entry, + gpointer user_data); + +static void details_update (glWdgtMediaSelect * media_select, + gchar * name); + +/****************************************************************************/ +/* Boilerplate Object stuff. */ +/****************************************************************************/ +guint +gl_wdgt_media_select_get_type (void) +{ + static guint wdgt_media_select_type = 0; + + if (!wdgt_media_select_type) { + GTypeInfo wdgt_media_select_info = { + sizeof (glWdgtMediaSelectClass), + NULL, + NULL, + (GClassInitFunc) gl_wdgt_media_select_class_init, + NULL, + NULL, + sizeof (glWdgtMediaSelect), + 0, + (GInstanceInitFunc) gl_wdgt_media_select_instance_init, + }; + + wdgt_media_select_type = + g_type_register_static (gtk_vbox_get_type (), + "glWdgtMediaSelect", + &wdgt_media_select_info, 0); + } + + return wdgt_media_select_type; +} + +static void +gl_wdgt_media_select_class_init (glWdgtMediaSelectClass * class) +{ + GObjectClass *object_class; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + object_class = (GObjectClass *) class; + + parent_class = gtk_type_class (gtk_vbox_get_type ()); + + object_class->finalize = gl_wdgt_media_select_finalize; + + wdgt_media_select_signals[CHANGED] = + g_signal_new ("changed", + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (glWdgtMediaSelectClass, changed), + NULL, NULL, + gl_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +static void +gl_wdgt_media_select_instance_init (glWdgtMediaSelect * media_select) +{ + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + media_select->page_size_entry = NULL; + media_select->template_entry = NULL; + + media_select->mini_preview = NULL; + + media_select->desc_label = NULL; + media_select->sheet_size_label = NULL; + media_select->number_label = NULL; + media_select->label_size_label = NULL; + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +static void +gl_wdgt_media_select_finalize (GObject * object) +{ + glWdgtMediaSelect *media_select; + glWdgtMediaSelectClass *class; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + g_return_if_fail (object != NULL); + g_return_if_fail (GL_IS_WDGT_MEDIA_SELECT (object)); + + media_select = GL_WDGT_MEDIA_SELECT (object); + + G_OBJECT_CLASS (parent_class)->finalize (object); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +GtkWidget * +gl_wdgt_media_select_new (void) +{ + glWdgtMediaSelect *media_select; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + media_select = g_object_new (gl_wdgt_media_select_get_type (), NULL); + + gl_wdgt_media_select_construct (media_select); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); + + return GTK_WIDGET (media_select); +} + +/*--------------------------------------------------------------------------*/ +/* PRIVATE. Construct composite widget. */ +/*--------------------------------------------------------------------------*/ +static void +gl_wdgt_media_select_construct (glWdgtMediaSelect * media_select) +{ + GtkWidget *whbox, *wvbox, *wcombo, *wvbox1, *whbox1; + gchar *name; + GList *template_names, *page_sizes = NULL; + const gchar *page_size; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + page_size = gl_prefs_get_page_size (); + + wvbox = GTK_WIDGET (media_select); + + whbox = gtk_hbox_new (FALSE, GNOME_PAD); + gtk_box_pack_start (GTK_BOX (wvbox), whbox, TRUE, TRUE, GNOME_PAD); + + /* Page size selection control */ + gl_debug (DEBUG_MEDIA_SELECT, "Creating page size combo..."); + wcombo = gtk_combo_new (); + page_sizes = gl_template_get_page_size_list (); + gtk_combo_set_popdown_strings (GTK_COMBO (wcombo), page_sizes); + gl_template_free_page_size_list (&page_sizes); + media_select->page_size_entry = GTK_COMBO (wcombo)->entry; + gtk_entry_set_editable (GTK_ENTRY (media_select->page_size_entry), + FALSE); + gtk_combo_set_value_in_list (GTK_COMBO(wcombo), TRUE, FALSE); + gtk_widget_set_size_request (media_select->page_size_entry, 100, -1); + gtk_entry_set_text (GTK_ENTRY (media_select->page_size_entry), + page_size); + gtk_box_pack_start (GTK_BOX (whbox), wcombo, FALSE, FALSE, GNOME_PAD); + + /* Actual selection control */ + gl_debug (DEBUG_MEDIA_SELECT, "Creating template combo..."); + gl_debug (DEBUG_MEDIA_SELECT, "page_size = %s", page_size); + template_names = gl_template_get_name_list (page_size); + media_select->template_combo = gtk_combo_new (); + gtk_combo_set_popdown_strings (GTK_COMBO (media_select->template_combo), + template_names); + gl_template_free_name_list (&template_names); + media_select->template_entry = + GTK_COMBO (media_select->template_combo)->entry; + gtk_entry_set_editable (GTK_ENTRY (media_select->template_entry), + FALSE); + gtk_combo_set_value_in_list (GTK_COMBO(media_select->template_combo), + TRUE, FALSE); + gtk_widget_set_size_request (media_select->template_entry, 400, -1); + gtk_box_pack_start (GTK_BOX (whbox), media_select->template_combo, + FALSE, FALSE, GNOME_PAD); + + whbox = gtk_hbox_new (FALSE, GNOME_PAD); + gtk_box_pack_start (GTK_BOX (wvbox), whbox, TRUE, TRUE, GNOME_PAD); + + /* mini_preview canvas */ + gl_debug (DEBUG_MEDIA_SELECT, "Creating mini preview..."); + media_select->mini_preview = gl_wdgt_mini_preview_new ( WDGT_MINI_PREVIEW_HEIGHT, + WDGT_MINI_PREVIEW_WIDTH); + gtk_box_pack_start (GTK_BOX (whbox), media_select->mini_preview, + FALSE, FALSE, GNOME_PAD); + + /* Label column */ + gl_debug (DEBUG_MEDIA_SELECT, "Creating label column..."); + wvbox1 = gtk_vbox_new (FALSE, GNOME_PAD); + gtk_box_pack_start (GTK_BOX (whbox), wvbox1, FALSE, FALSE, 0); + + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (whbox1), + gtk_label_new (_("Description:")), + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (whbox1), + gtk_label_new (_("Page size:")), + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (whbox1), + gtk_label_new (_("Label size:")), + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (whbox1), + gtk_label_new (_("Layout:")), + FALSE, FALSE, GNOME_PAD); + + /* detail widgets column */ + gl_debug (DEBUG_MEDIA_SELECT, "Creating details column..."); + wvbox1 = gtk_vbox_new (FALSE, GNOME_PAD); + gtk_box_pack_start (GTK_BOX (whbox), wvbox1, FALSE, FALSE, 0); + + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + media_select->desc_label = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (whbox1), media_select->desc_label, + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + media_select->sheet_size_label = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (whbox1), media_select->sheet_size_label, + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + media_select->label_size_label = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (whbox1), media_select->label_size_label, + FALSE, FALSE, GNOME_PAD); + whbox1 = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (wvbox1), whbox1, FALSE, FALSE, 0); + media_select->number_label = gtk_label_new (""); + gtk_box_pack_start (GTK_BOX (whbox1), media_select->number_label, + FALSE, FALSE, GNOME_PAD); + + /* Update mini_preview and details from default template */ + + gl_debug (DEBUG_MEDIA_SELECT, "template_entry = %p", + media_select->template_entry); + name = + gtk_editable_get_chars (GTK_EDITABLE (media_select->template_entry), + 0, -1); + gl_debug (DEBUG_MEDIA_SELECT, "name = \"%s\"", name); + gl_wdgt_mini_preview_set_label (GL_WDGT_MINI_PREVIEW (media_select->mini_preview), + name); + details_update (media_select, name); + g_free (name); + + /* Connect signals to controls */ + g_signal_connect (G_OBJECT (media_select->page_size_entry), "changed", + G_CALLBACK (page_size_entry_changed_cb), + media_select); + g_signal_connect (G_OBJECT (media_select->template_entry), "changed", + G_CALLBACK (template_entry_changed_cb), + media_select); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +/*--------------------------------------------------------------------------*/ +/* PRIVATE. modify widget due to change in selection */ +/*--------------------------------------------------------------------------*/ +static void +page_size_entry_changed_cb (GtkEntry * entry, + gpointer user_data) +{ + glWdgtMediaSelect *media_select = GL_WDGT_MEDIA_SELECT (user_data); + gchar *page_size; + GList *template_names; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + + /* Update template selections for new page size */ + page_size = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1); + if ( strlen(page_size) ) { + gl_debug (DEBUG_MEDIA_SELECT, "page_size = \"%s\"", page_size); + template_names = gl_template_get_name_list (page_size); + gtk_combo_set_popdown_strings (GTK_COMBO (media_select->template_combo), + template_names); + gl_template_free_name_list (&template_names); + } + g_free (page_size); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +/*--------------------------------------------------------------------------*/ +/* PRIVATE. modify widget due to change in selection */ +/*--------------------------------------------------------------------------*/ +static void +template_entry_changed_cb (GtkEntry * entry, + gpointer user_data) +{ + glWdgtMediaSelect *media_select = GL_WDGT_MEDIA_SELECT (user_data); + gchar *name; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + /* Update mini_preview canvas & details with template */ + gl_debug (DEBUG_MEDIA_SELECT, "template_entry = %p", entry); + name = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1); + if ( strlen(name) ) { + gl_debug (DEBUG_MEDIA_SELECT, "name = \"%s\"", name); + gl_wdgt_mini_preview_set_label (GL_WDGT_MINI_PREVIEW (media_select->mini_preview), + name); + gl_debug (DEBUG_MEDIA_SELECT, "m1"); + details_update (media_select, name); + gl_debug (DEBUG_MEDIA_SELECT, "m2"); + + /* Emit our "changed" signal */ + g_signal_emit (G_OBJECT (user_data), + wdgt_media_select_signals[CHANGED], 0); + } + g_free (name); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +/*--------------------------------------------------------------------------*/ +/* PRIVATE. update "details" widgets from new template. */ +/*--------------------------------------------------------------------------*/ +static void +details_update (glWdgtMediaSelect * media_select, + gchar * name) +{ + glTemplate *template; + gchar *text; + glPrefsUnits units; + const gchar *units_string; + gdouble units_per_point; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + units = gl_prefs_get_units (); + units_string = gl_prefs_get_units_string (); + units_per_point = gl_prefs_get_units_per_point (); + + /* Fetch template */ + template = gl_template_from_name (name); + + gtk_label_set_text (GTK_LABEL (media_select->desc_label), + template->description); + + gtk_label_set_text (GTK_LABEL (media_select->sheet_size_label), + template->page_size); + + text = g_strdup_printf (_("%d x %d (%d per sheet)"), + template->nx, template->ny, + template->nx * template->ny); + + gtk_label_set_text (GTK_LABEL (media_select->number_label), text); + g_free (text); + + if ( units == GL_PREFS_UNITS_INCHES ) { + gchar *xstr, *ystr; + + xstr = gl_util_fraction (template->label_height + * units_per_point); + ystr = gl_util_fraction (template->label_width + * units_per_point); + text = g_strdup_printf (_("%s x %s %s"), + xstr, ystr, units_string); + g_free (xstr); + g_free (ystr); + } else { + text = g_strdup_printf (_("%.5g x %.5g %s"), + template->label_height*units_per_point, + template->label_width*units_per_point, + units_string); + } + gtk_label_set_text (GTK_LABEL (media_select->label_size_label), text); + g_free (text); + + gl_template_free( &template ); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +/****************************************************************************/ +/* query selected label template name. */ +/****************************************************************************/ +gchar * +gl_wdgt_media_select_get_name (glWdgtMediaSelect * media_select) +{ + gl_debug (DEBUG_MEDIA_SELECT, ""); + return + gtk_editable_get_chars (GTK_EDITABLE (media_select->template_entry), + 0, -1); +} + +/****************************************************************************/ +/* set selected label template name. */ +/****************************************************************************/ +void +gl_wdgt_media_select_set_name (glWdgtMediaSelect * media_select, + gchar * name) +{ + gint pos; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + g_signal_handlers_block_by_func (G_OBJECT(media_select->template_entry), + G_CALLBACK(template_entry_changed_cb), + media_select); + gtk_editable_delete_text (GTK_EDITABLE (media_select->template_entry), + 0, -1); + g_signal_handlers_unblock_by_func (G_OBJECT(media_select->template_entry), + G_CALLBACK(template_entry_changed_cb), + media_select); + + pos = 0; + gtk_editable_insert_text (GTK_EDITABLE (media_select->template_entry), + name, strlen (name), &pos); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} + +/****************************************************************************/ +/* query selected label template page size. */ +/****************************************************************************/ +gchar * +gl_wdgt_media_select_get_page_size (glWdgtMediaSelect * media_select) +{ + gl_debug (DEBUG_MEDIA_SELECT, ""); + + return + gtk_editable_get_chars (GTK_EDITABLE + (media_select->page_size_entry), 0, -1); +} + +/****************************************************************************/ +/* set selected label template page size. */ +/****************************************************************************/ +void +gl_wdgt_media_select_set_page_size (glWdgtMediaSelect * media_select, + gchar * page_size) +{ + gint pos; + + gl_debug (DEBUG_MEDIA_SELECT, "START"); + + g_signal_handlers_block_by_func (G_OBJECT(media_select->page_size_entry), + G_CALLBACK(page_size_entry_changed_cb), + media_select); + gtk_editable_delete_text (GTK_EDITABLE (media_select->page_size_entry), + 0, -1); + g_signal_handlers_unblock_by_func (G_OBJECT(media_select->page_size_entry), + G_CALLBACK(page_size_entry_changed_cb), + media_select); + + pos = 0; + gtk_editable_insert_text (GTK_EDITABLE (media_select->page_size_entry), + page_size, strlen (page_size), &pos); + + gl_debug (DEBUG_MEDIA_SELECT, "END"); +} |