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set gui widgets to proper values after loading xml file

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This commit is contained in:
Tomasz Moń
2009-03-01 19:00:35 +01:00
parent e2cb03ab32
commit 968d2947a7
2 changed files with 100 additions and 32 deletions
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130
gui.c
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@@ -23,6 +23,16 @@
extern EffectList effects[];
extern int n_effects;
typedef struct {
GtkWidget *widget;
gint id;
gint position;
/* used for combo boxes, if widget isn't combo box, then both value and x are -1 */
gint value; /* effect type value */
gint x; /* combo box item number */
} WidgetListElem;
void value_changed_option_cb(GtkSpinButton *spinbutton, EffectSettings *setting)
{
g_return_if_fail(setting != NULL);
@@ -39,7 +49,21 @@ void toggled_cb(GtkToggleButton *button, Effect *effect)
set_option(effect->option, effect->position, val);
}
GtkWidget *create_table(EffectSettings *settings, gint amt)
static void widget_list_add(GList **list, GtkWidget *widget, gint id, gint position, gint value, gint x)
{
WidgetListElem *el;
el = g_malloc(sizeof(WidgetListElem));
el->widget = widget;
el->id = id;
el->position = position;
el->value = value;
el->x = x;
*list = g_list_prepend(*list, el);
}
GtkWidget *create_table(GList **list, EffectSettings *settings, gint amt)
{
GtkWidget *table, *label, *widget;
GtkObject *adj;
@@ -52,7 +76,7 @@ GtkWidget *create_table(EffectSettings *settings, gint amt)
adj = gtk_adjustment_new(0.0, settings[x].min, settings[x].max, 1.0, 1.0, 1.0);
widget = gtk_spin_button_new(GTK_ADJUSTMENT(adj), 1.0, 0);
g_signal_connect(G_OBJECT(widget), "value-changed", G_CALLBACK(value_changed_option_cb), &settings[x]);
widget_list_add(list, widget, settings[x].option, settings[x].position, -1, -1);
gtk_table_attach(GTK_TABLE(table), label, 0, 1, x, x+1, GTK_SHRINK, GTK_SHRINK, 2, 2);
gtk_table_attach(GTK_TABLE(table), widget, 1, 2, x, x+1, GTK_SHRINK, GTK_SHRINK, 2, 2);
}
@@ -60,11 +84,12 @@ GtkWidget *create_table(EffectSettings *settings, gint amt)
return table;
}
GtkWidget *create_on_off_button(Effect *effect)
GtkWidget *create_on_off_button(GList **list, Effect *effect)
{
GtkWidget *button = gtk_toggle_button_new_with_label(effect->label);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(toggled_cb), effect);
widget_list_add(list, button, effect->option, effect->position, -1, -1);
return button;
}
@@ -114,7 +139,7 @@ void combo_box_changed_cb(GtkComboBox *widget, gpointer data)
}
}
GtkWidget *create_widget_container(EffectGroup *group, gint amt)
GtkWidget *create_widget_container(GList **list, EffectGroup *group, gint amt)
{
GtkWidget *vbox;
GtkWidget *widget;
@@ -137,7 +162,7 @@ GtkWidget *create_widget_container(EffectGroup *group, gint amt)
gtk_combo_box_append_text(GTK_COMBO_BOX(combo_box), group[x].label);
cmbox_no++;
widget = create_table(group[x].settings, group[x].settings_amt);
widget = create_table(list, group[x].settings, group[x].settings_amt);
g_object_ref_sink(widget);
settings = g_malloc(sizeof(EffectSettingsGroup));
@@ -145,12 +170,13 @@ GtkWidget *create_widget_container(EffectGroup *group, gint amt)
settings->option = group[x].option;
settings->position = group[x].position;
settings->child = widget;
widget_list_add(list, combo_box, group[x].option, group[x].position, group[x].id, x);
name = g_strdup_printf("SettingsGroup%d", cmbox_no);
g_object_set_data_full(G_OBJECT(combo_box), name, settings, ((GDestroyNotify)effect_settings_group_free));
g_free(name);
} else {
widget = create_table(group[x].settings, group[x].settings_amt);
widget = create_table(list, group[x].settings, group[x].settings_amt);
gtk_container_add(GTK_CONTAINER(vbox), widget);
}
}
@@ -158,7 +184,7 @@ GtkWidget *create_widget_container(EffectGroup *group, gint amt)
return vbox;
};
GtkWidget *create_vbox(Effect *widgets, gint amt)
GtkWidget *create_vbox(GList **list, Effect *widgets, gint amt)
{
GtkWidget *vbox;
GtkWidget *hbox;
@@ -172,10 +198,10 @@ GtkWidget *create_vbox(Effect *widgets, gint amt)
gtk_box_set_homogeneous(GTK_BOX(hbox), TRUE);
for (x = 0; x<amt; x++) {
widget = create_on_off_button(&widgets[x]);
widget = create_on_off_button(list, &widgets[x]);
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 2);
table = create_widget_container(widgets[x].group, widgets[x].group_amt);
table = create_widget_container(list, widgets[x].group, widgets[x].group_amt);
gtk_box_pack_start(GTK_BOX(hbox), table, TRUE, TRUE, 2);
}
@@ -305,6 +331,34 @@ static void show_store_preset_window(GtkWidget *window, gchar *default_name)
gtk_widget_destroy(dialog);
}
static void apply_widget_setting(WidgetListElem *el, SettingParam *param)
{
if ((el->id == param->id) && (el->position == param->position)) {
if (el->value == -1) {
if (GTK_IS_TOGGLE_BUTTON(el->widget))
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(el->widget), (param->value == 0) ? FALSE : TRUE);
else if (GTK_IS_SPIN_BUTTON(el->widget))
gtk_spin_button_set_value(GTK_SPIN_BUTTON(el->widget), param->value);
} else { /* combo box */
if (el->value == param->value)
gtk_combo_box_set_active(GTK_COMBO_BOX(el->widget), el->x);
}
}
}
static void apply_preset_to_gui(GList *list, Preset *preset)
{
GList *iter = preset->params;
while (iter) {
SettingParam *param = iter->data;
iter = iter->next;
if (param != NULL)
g_list_foreach(list, (GFunc)apply_widget_setting, param);
}
}
static void action_store_cb(GtkAction *action)
{
GtkWidget *window = g_object_get_data(G_OBJECT(action), "window");
@@ -342,12 +396,12 @@ static guint n_file_types = G_N_ELEMENTS(file_types);
static void action_open_preset_cb(GtkAction *action)
{
static GtkWidget *dialog = NULL;
static gchar *last_directory = NULL;
if (dialog != NULL)
return;
GtkWidget *window = g_object_get_data(G_OBJECT(action), "window");
GList **list = g_object_get_data(G_OBJECT(action), "widget-list");
dialog = gtk_file_chooser_dialog_new("Open Preset", GTK_WINDOW(window),
GTK_FILE_CHOOSER_ACTION_OPEN,
@@ -355,9 +409,6 @@ static void action_open_preset_cb(GtkAction *action)
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if (last_directory)
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), last_directory);
GtkFileFilter *filter;
filter = gtk_file_filter_new();
gtk_file_filter_set_name(filter, "All Supported Types");
@@ -379,6 +430,9 @@ static void action_open_preset_cb(GtkAction *action)
gchar *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
Preset *preset = create_preset_from_xml_file(filename);
if (preset != NULL) {
if (list != NULL)
apply_preset_to_gui(*list, preset);
gtk_widget_hide(dialog);
GList *iter = preset->params;
@@ -398,17 +452,29 @@ static void action_open_preset_cb(GtkAction *action)
loaded = TRUE;
}
g_free(filename);
if (last_directory) g_free(last_directory);
last_directory = g_strdup(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(dialog)));
}
gtk_widget_destroy(dialog);
dialog = NULL;
}
static void widget_list_free(GList *list)
{
GList *iter;
for (iter = list; iter; iter = iter->next) {
g_free(iter->data);
}
g_list_free(list);
}
static void action_quit_cb(GtkAction *action)
{
GtkWidget *window = g_object_get_data(G_OBJECT(action), "window");
GList **list = g_object_get_data(G_OBJECT(action), "widget-list");
widget_list_free(*list);
*list = NULL;
gtk_widget_destroy(window);
gtk_main_quit();
}
@@ -441,11 +507,19 @@ static const gchar *menu_info =
" </menubar>"
"</ui>";
static void add_menubar(GtkWidget *window, GtkWidget *vbox)
static void add_action_data(GtkUIManager *ui, const gchar *path, GtkWidget *window, GList **list)
{
GtkAction *action;
action = gtk_ui_manager_get_action(ui, path);
g_object_set_data(G_OBJECT(action), "window", window);
g_object_set_data(G_OBJECT(action), "widget-list", list);
}
static void add_menubar(GList **list, GtkWidget *window, GtkWidget *vbox)
{
GtkUIManager *ui;
GtkActionGroup *actions;
GtkAction *action;
GError *error = NULL;
actions = gtk_action_group_new("Actions");
@@ -465,17 +539,10 @@ static void add_menubar(GtkWidget *window, GtkWidget *vbox)
gtk_ui_manager_get_widget(ui, "/MenuBar"),
FALSE, FALSE, 0);
action = gtk_ui_manager_get_action(ui, "/MenuBar/File/Quit");
g_object_set_data(G_OBJECT(action), "window", window);
action = gtk_ui_manager_get_action(ui, "/MenuBar/File/Open");
g_object_set_data(G_OBJECT(action), "window", window);
action = gtk_ui_manager_get_action(ui, "/MenuBar/Preset/Store");
g_object_set_data(G_OBJECT(action), "window", window);
action = gtk_ui_manager_get_action(ui, "/MenuBar/Help/About");
g_object_set_data(G_OBJECT(action), "window", window);
add_action_data(ui, "/MenuBar/File/Quit", window, list);
add_action_data(ui, "/MenuBar/File/Open", window, list);
add_action_data(ui, "/MenuBar/Preset/Store", window, list);
add_action_data(ui, "/MenuBar/Help/About", window, list);
g_object_unref(ui);
}
@@ -486,7 +553,8 @@ void create_window()
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *widget;
GtkWidget *sw; /* scrolled window to carry preset treeview */
GtkWidget *sw; /* scrolled window to carry preset treeview */
static GList *list = NULL; /* widget list (every data element is WidgetListElem) */
gint x;
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
@@ -495,7 +563,7 @@ void create_window()
vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
add_menubar(window, vbox);
add_menubar(&list, window, vbox);
hbox = gtk_hbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(vbox), hbox);
@@ -515,7 +583,7 @@ void create_window()
hbox = gtk_hbox_new(TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 2);
}
widget = create_vbox(effects[x].effect, effects[x].amt);
widget = create_vbox(&list, effects[x].effect, effects[x].amt);
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 2);
}