diff options
Diffstat (limited to 'plugins')
-rw-r--r-- | plugins/eg-sampler.lv2/sampler_ui.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/plugins/eg-sampler.lv2/sampler_ui.c b/plugins/eg-sampler.lv2/sampler_ui.c index 1cb7553..0140e24 100644 --- a/plugins/eg-sampler.lv2/sampler_ui.c +++ b/plugins/eg-sampler.lv2/sampler_ui.c @@ -63,13 +63,16 @@ typedef struct { GtkWidget* request_file_button; GtkWidget* button_box; GtkWidget* canvas; - GtkWidget* window; /* For optional show interface. */ uint32_t width; uint32_t requested_n_peaks; char* filename; uint8_t forge_buf[1024]; + + // Optional show/hide interface + GtkWidget* window; + bool did_init; } SamplerUI; static void @@ -211,6 +214,18 @@ on_canvas_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data) return TRUE; } +static gboolean +on_window_closed(GtkWidget* widget, GdkEvent* event, gpointer data) +{ + SamplerUI* ui = (SamplerUI*)data; + + // Remove widget so Gtk doesn't delete it when the window is closed + gtk_container_remove(GTK_CONTAINER(ui->window), ui->box); + ui->window = NULL; + + return FALSE; +} + static LV2UI_Handle instantiate(const LV2UI_Descriptor* descriptor, const char* plugin_uri, @@ -229,6 +244,8 @@ instantiate(const LV2UI_Descriptor* descriptor, ui->controller = controller; ui->width = MIN_CANVAS_W; *widget = NULL; + ui->window = NULL; + ui->did_init = false; // Get host features const char* missing = lv2_features_query( @@ -350,11 +367,25 @@ ui_show(LV2UI_Handle handle) { SamplerUI* ui = (SamplerUI*)handle; - int argc = 0; - gtk_init(&argc, NULL); + if (ui->window) { + return 0; + } + + if (!ui->did_init) { + int argc = 0; + gtk_init_check(&argc, NULL); + g_object_ref(ui->box); + ui->did_init = true; + } ui->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_container_add(GTK_CONTAINER(ui->window), ui->box); + + g_signal_connect(G_OBJECT(ui->window), + "delete-event", + G_CALLBACK(on_window_closed), + handle); + gtk_widget_show_all(ui->window); gtk_window_present(GTK_WINDOW(ui->window)); @@ -365,6 +396,14 @@ ui_show(LV2UI_Handle handle) static int ui_hide(LV2UI_Handle handle) { + SamplerUI* ui = (SamplerUI*)handle; + + if (ui->window) { + gtk_container_remove(GTK_CONTAINER(ui->window), ui->box); + gtk_widget_destroy(ui->window); + ui->window = NULL; + } + return 0; } @@ -374,7 +413,7 @@ ui_idle(LV2UI_Handle handle) { SamplerUI* ui = (SamplerUI*)handle; if (ui->window) { - gtk_main_iteration(); + gtk_main_iteration_do(false); } return 0; } |