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-rw-r--r--src/main.c254
1 files changed, 152 insertions, 102 deletions
diff --git a/src/main.c b/src/main.c
index 74cb96b..928ad2b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -32,11 +32,12 @@ extern til_fb_ops_t gtk_fb_ops;
#define BOX_SPACING 1
#define FRAME_MARGIN 8
#define LABEL_MARGIN 4
+#define CONTROL_MARGIN LABEL_MARGIN
#define NUM_FB_PAGES 3
static struct glimmer_t {
GtkComboBox *modules_combobox;
- GtkWidget *module_box, *module_frame;
+ GtkWidget *window, *module_box, *module_frame, *settings_box, *settings_frame;
til_args_t args;
til_settings_t *video_settings;
@@ -52,6 +53,8 @@ static struct glimmer_t {
static void glimmer_module_setup(const til_module_t *module, til_settings_t *settings);
+static void glimmer_settings_rebuild(const til_module_t *module, til_settings_t *settings);
+static void glimmer_active_settings_rebuild(void);
static unsigned glimmer_get_ticks(const struct timeval *start, const struct timeval *now, unsigned offset)
@@ -82,13 +85,23 @@ static void glimmer_active_module(const til_module_t **res_module, til_settings_
static void glimmer_active_module_setup(void)
{
const til_module_t *module;
- til_settings_t *settings;
+ til_settings_t *settings;
glimmer_active_module(&module, &settings);
glimmer_module_setup(module, settings);
}
+static void glimmer_active_settings_rebuild(void)
+{
+ const til_module_t *module;
+ til_settings_t *settings;
+
+ glimmer_active_module(&module, &settings);
+ glimmer_settings_rebuild(module, settings);
+}
+
+
/* TODO: this should probably move into libtil */
static void * glimmer_thread(void *foo)
{
@@ -146,54 +159,158 @@ static void glimmer_go(GtkButton *button, gpointer user_data)
}
+static gboolean glimmer_active_settings_rebuild_cb(gpointer unused)
+{
+ glimmer_active_settings_rebuild();
+
+ return FALSE;
+}
+
+
static void glimmer_combobox_setting_changed_cb(GtkComboBoxText *combobox, gpointer user_data)
{
til_setting_t *setting = user_data;
- /* XXX FIXME FIXME XXX */
- /* XXX FIXME FIXME XXX */
- /* I don't know gtk+ well enough to know what's the non-leaky way to do this:
- * glimmer_active_module_setup() will destroy the module frame which encompasses the
- * widget this signal emitted from. It appears that there isn't a reference held across
- * the signal callbacks so they can safely perform a queued destroy of the originating widget
- * within the callback to then become realized at the end of all the signal deliveries and
- * callback processing when the final reference gets removed.
- *
- * for now I'm working around this by simply adding a ref, leaking the memory, until I find
- * the Right Way.
- */
- g_object_ref(combobox);
- /* XXX FIXME FIXME XXX */
- /* XXX FIXME FIXME XXX */
-
setting->value = gtk_combo_box_text_get_active_text(combobox);
- glimmer_active_module_setup();
+ g_idle_add(glimmer_active_settings_rebuild_cb, NULL);
}
-static void glimmer_entry_setting_changed_cb(GtkEntry *entry, gpointer user_data)
+
+static void glimmer_entry_setting_activated_cb(GtkEntry *entry, gpointer user_data)
{
til_setting_t *setting = user_data;
- /* XXX FIXME: see above comment for combobox, but oddly I'm only seeing
- * errors printed for the combobox case. I'm just assuming the problem exists here as well.
+ /* FIXME TODO there needs to be some validation of the free-form input against setting->desc->regex,
+ * though that probably shouldn't happen here.
*/
- g_object_ref(entry);
+ setting->value = strdup(gtk_entry_get_text(entry));
+ g_idle_add(glimmer_active_settings_rebuild_cb, NULL);
+}
+
+
+static gboolean glimmer_entry_setting_unfocused_cb(GtkEntry *entry, GdkEventFocus *event, gpointer user_data)
+{
+ til_setting_t *setting = user_data;
/* FIXME TODO there needs to be some validation of the free-form input against setting->desc->regex,
* though that probably shouldn't happen here.
*/
setting->value = strdup(gtk_entry_get_text(entry));
- glimmer_active_module_setup();
+ g_idle_add(glimmer_active_settings_rebuild_cb, NULL);
+
+ return FALSE;
+}
+
+
+static void glimmer_setting_destroyed_cb(GtkWidget *widget, gpointer user_data)
+{
+ til_setting_t *setting = user_data;
+
+ setting->user_data = NULL;
+}
+
+
+static void glimmer_settings_rebuild(const til_module_t *module, til_settings_t *settings)
+{
+ GtkWidget *svbox, *focused = NULL;
+ til_setting_t *setting;
+ const til_setting_desc_t *desc;
+
+ /* Always create a new settings vbox on rebuild, migrating preexisting shboxes,
+ * leaving behind no longer visible shboxes, adding newly visible shboxes.
+ *
+ * At the end if there's an existing glimmer.settings_box it is destroyed, and
+ * any remaining shboxes left behind will be destroyed along with it.
+ *
+ * A "destroy" callback on each setting's shbox widget is responsible for
+ * NULLifying its respective setting->user_data so the next rebuild can't possibly
+ * try reuse it, should a previously invisible setting be made visible again.
+ */
+ svbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, BOX_SPACING);
+
+ /* Try preserve focus across the rebuild, so things like TAB-cycling through
+ * the settings works despite the container being reconstructed here.
+ */
+ focused = gtk_window_get_focus(GTK_WINDOW(glimmer.window));
+
+ til_settings_reset_descs(settings);
+ while (module->setup(settings, &setting, &desc) > 0) {
+ if (!setting) {
+ til_settings_add_value(settings, desc->key, desc->preferred, NULL);
+ continue;
+ }
+
+ if (!setting->user_data) {
+ GtkWidget *shbox, *label, *control;
+
+ shbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, BOX_SPACING);
+ gtk_widget_set_halign(GTK_WIDGET(shbox), GTK_ALIGN_END);
+ gtk_widget_set_hexpand(GTK_WIDGET(shbox), TRUE);
+ gtk_container_add(GTK_CONTAINER(svbox), shbox);
+ setting->user_data = shbox;
+
+ label = g_object_new( GTK_TYPE_LABEL,
+ "parent", GTK_CONTAINER(shbox),
+ "label", desc->name,
+ "halign", GTK_ALIGN_START,
+ "margin", LABEL_MARGIN,
+ "visible", TRUE,
+ NULL);
+
+ if (desc->values) {
+ /* combo box */
+ control = gtk_combo_box_text_new();
+ for (int i = 0; desc->values[i]; i++) {
+ gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(control), NULL, desc->values[i]);
+ if (!strcmp(setting->value, desc->values[i]))
+ gtk_combo_box_set_active(GTK_COMBO_BOX(control), i);
+ }
+ g_signal_connect_after(control, "changed", G_CALLBACK(glimmer_combobox_setting_changed_cb), setting);
+
+ } else {
+ /* plain unstructured text input box */
+ control = gtk_entry_new();
+ gtk_entry_set_text(GTK_ENTRY(control), setting->value);
+ g_signal_connect_after(control, "activate", G_CALLBACK(glimmer_entry_setting_activated_cb), setting);
+ g_signal_connect_after(control, "focus-out-event", G_CALLBACK(glimmer_entry_setting_unfocused_cb), setting);
+ }
+
+ gtk_widget_set_margin_end(control, CONTROL_MARGIN);
+ gtk_container_add(GTK_CONTAINER(shbox), control);
+ g_signal_connect(shbox, "destroy", G_CALLBACK(glimmer_setting_destroyed_cb), setting);
+ } else {
+ g_object_ref(setting->user_data);
+ gtk_container_remove(GTK_CONTAINER(glimmer.settings_box), setting->user_data);
+ gtk_container_add(GTK_CONTAINER(svbox), setting->user_data);
+ g_object_unref(setting->user_data);
+ }
+
+ if (!setting->desc)
+ setting->desc = desc;
+ }
+
+ if (glimmer.settings_box)
+ gtk_widget_destroy(glimmer.settings_box);
+
+ gtk_container_add(GTK_CONTAINER(glimmer.settings_frame), svbox);
+ glimmer.settings_box = svbox;
+
+ if (focused)
+ gtk_window_set_focus(GTK_WINDOW(glimmer.window), focused);
+
+ gtk_widget_show_all(svbox);
}
-/* (re)construct the gui settings pane to reflect *module and *settings */
+/* (re)construct the gui module frame to reflect *module and *settings */
static void glimmer_module_setup(const til_module_t *module, til_settings_t *settings)
{
GtkWidget *vbox, *label;
- if (glimmer.module_frame)
+ if (glimmer.module_frame) {
gtk_widget_destroy(glimmer.module_frame);
+ glimmer.settings_box = NULL;
+ }
glimmer.module_frame = g_object_new( GTK_TYPE_FRAME,
"parent", GTK_CONTAINER(glimmer.module_box),
@@ -229,11 +346,7 @@ static void glimmer_module_setup(const til_module_t *module, til_settings_t *set
NULL);
if (module->setup) {
- GtkWidget *frame, *svbox;
- til_setting_t *setting;
- const til_setting_desc_t *desc;
-
- frame = g_object_new( GTK_TYPE_FRAME,
+ glimmer.settings_frame = g_object_new( GTK_TYPE_FRAME,
"parent", GTK_CONTAINER(vbox),
"label", "Settings",
"label-xalign", .01f,
@@ -241,76 +354,13 @@ static void glimmer_module_setup(const til_module_t *module, til_settings_t *set
"visible", TRUE,
NULL);
gtk_box_set_child_packing( GTK_BOX(vbox),
- GTK_WIDGET(frame),
+ GTK_WIDGET(glimmer.settings_frame),
TRUE,
TRUE,
BOX_SPACING,
GTK_PACK_START);
- svbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, BOX_SPACING);
- gtk_container_add(GTK_CONTAINER(frame), svbox);
-
- til_settings_reset_descs(settings);
- while (module->setup(settings, &setting, &desc) > 0) {
- GtkWidget *shbox;
-
- if (!setting) {
- til_settings_add_value(settings, desc->key, desc->preferred, NULL);
- continue;
- }
-
- shbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, BOX_SPACING);
- gtk_container_add(GTK_CONTAINER(svbox), shbox);
- gtk_widget_set_halign(GTK_WIDGET(shbox), GTK_ALIGN_START);
-
- label = g_object_new( GTK_TYPE_LABEL,
- "parent", GTK_CONTAINER(shbox),
- "label", desc->name,
- "halign", GTK_ALIGN_START,
- "margin", LABEL_MARGIN,
- "visible", TRUE,
- NULL);
-
- if (desc->values) {
- GtkWidget *combobox;
-
- /* combo box */
- combobox = gtk_combo_box_text_new();
- gtk_container_add(GTK_CONTAINER(shbox), combobox);
- gtk_widget_set_halign(GTK_WIDGET(combobox), GTK_ALIGN_END);
- for (int i = 0; desc->values[i]; i++) {
- gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(combobox), NULL, desc->values[i]);
- if (!strcmp(setting->value, desc->values[i]))
- gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), i);
- }
- g_signal_connect(combobox, "changed", G_CALLBACK(glimmer_combobox_setting_changed_cb), setting);
-
- } else {
- GtkWidget *entry;
-
- /* plain unstructured text input box */
- entry = gtk_entry_new();
- gtk_entry_set_text(GTK_ENTRY(entry), setting->value);
- gtk_container_add(GTK_CONTAINER(shbox), entry);
- gtk_widget_set_halign(GTK_WIDGET(entry), GTK_ALIGN_END);
-
- /* XXX FIXME */
- /* XXX FIXME */
- /* XXX FIXME */
- /* "activate" only occurs on hitting Enter in the GtkEntry. So we'll miss
- * edits that are visible but not Entered before hitting Go! We likely need
- * to catch more signals...
- */
- /* XXX FIXME */
- /* XXX FIXME */
- /* XXX FIXME */
-
- g_signal_connect(entry, "activate", G_CALLBACK(glimmer_entry_setting_changed_cb), setting);
- }
-
- if (!setting->desc)
- setting->desc = desc;
- }
+ glimmer_settings_rebuild(module, settings);
}
gtk_widget_show_all(glimmer.module_frame);
@@ -325,14 +375,14 @@ static void glimmer_module_changed_cb(GtkComboBox *box, G_GNUC_UNUSED gpointer u
static void glimmer_activate(GtkApplication *app, gpointer user_data)
{
- GtkWidget *window, *vbox, *button;
+ GtkWidget *vbox, *button;
- window = gtk_application_window_new(app);
- gtk_window_set_title(GTK_WINDOW(window), "glimmer");
- gtk_window_set_default_size(GTK_WINDOW(window), DEFAULT_WIDTH, DEFAULT_HEIGHT);
+ glimmer.window = gtk_application_window_new(app);
+ gtk_window_set_title(GTK_WINDOW(glimmer.window), "glimmer");
+ gtk_window_set_default_size(GTK_WINDOW(glimmer.window), DEFAULT_WIDTH, DEFAULT_HEIGHT);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, BOX_SPACING);
- gtk_container_add(GTK_CONTAINER(window), vbox);
+ gtk_container_add(GTK_CONTAINER(glimmer.window), vbox);
{ /* construct modules list combobox, associating a name, module, and settings per entry */
const til_module_t **modules;
@@ -398,7 +448,7 @@ static void glimmer_activate(GtkApplication *app, gpointer user_data)
NULL);
g_signal_connect(button, "clicked", G_CALLBACK(glimmer_go), NULL);
- gtk_widget_show_all(window);
+ gtk_widget_show_all(glimmer.window);
}
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