Refactor controls

src/main.c

@@ -48,8 +48,6 @@ RENDERDOC_API_1_1_2 *rdoc_api = NULL;
 
 mp_state_main state;
 
-static bool camera_is_initialized = false;
-
 static MPProcessPipelineBuffer *current_preview_buffer = NULL;
 
 static char last_path[260] = "";
@@ -65,7 +63,11 @@ GtkWidget *process_spinner;
 GtkWidget *scanned_codes;
 GtkWidget *preview_top_box;
 GtkWidget *preview_bottom_box;
+
 GtkWidget *flash_button;
+GtkWidget *iso_button;
+GtkWidget *shutter_button;
+
 LfbEvent *capture_event;
 
 GSettings *settings;
@@ -106,16 +108,14 @@ update_io_pipeline()
         mp_io_pipeline_update_state(&io_state);
 
         // Make the right settings available for the camera
-        gtk_widget_set_visible(flash_button, state.flash_enabled);
+        gtk_widget_set_visible(flash_button, state.control_flash);
+        gtk_widget_set_visible(iso_button, state.control_gain);
+        gtk_widget_set_visible(shutter_button, state.control_exposure);
 }
 
 static bool
 update_state(const mp_state_main *new_state)
 {
-        if (!camera_is_initialized) {
-                camera_is_initialized = true;
-        }
-
         if (state.camera == new_state->camera) {
                 state.gain_is_manual = new_state->gain_is_manual;
                 state.gain = new_state->gain;
@@ -131,6 +131,11 @@ update_state(const mp_state_main *new_state)
 
         state.preview_buffer_width = new_state->preview_buffer_width;
         state.preview_buffer_height = new_state->preview_buffer_height;
+
+        state.control_gain = new_state->control_gain;
+        state.control_exposure = new_state->control_exposure;
+        state.control_focus = new_state->control_focus;
+        state.control_flash = new_state->control_flash;
         return false;
 }
 
@@ -1121,9 +1126,9 @@ activate(GtkApplication *app, gpointer data)
                 "/org/postmarketos/Megapixels/camera.ui");
 
         GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
-        GtkWidget *iso_button =
+        iso_button =
                 GTK_WIDGET(gtk_builder_get_object(builder, "iso-controls-button"));
-        GtkWidget *shutter_button = GTK_WIDGET(
+        shutter_button = GTK_WIDGET(
                 gtk_builder_get_object(builder, "shutter-controls-button"));
         flash_button =
                 GTK_WIDGET(gtk_builder_get_object(builder, "flash-controls-button"));