mhu/gds-render
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Add function in GUI to determine the current button states to prevent multiple triggers for rendering/reloading the library during rendering

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This commit is contained in:
Mario Hüttel 2019-08-21 18:34:40 +02:00
parent 4b238c55ea
commit 08722cd6f9
1 changed files with 53 additions and 8 deletions
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61
gds-render-gui.c
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@ -47,6 +47,11 @@ enum gds_render_gui_signal_sig_ids {SIGNAL_WINDOW_CLOSED = 0, SIGNAL_COUNT};
static guint gds_render_gui_signals[SIGNAL_COUNT];
struct gui_button_states {
gboolean rendering_active;
gboolean valid_cell_selected;
};
struct _GdsRenderGui {
/* Parent GObject */
GObject parent;
@ -54,6 +59,9 @@ struct _GdsRenderGui {
/* Custom fields */
GtkWindow *main_window;
GtkWidget *convert_button;
GtkWidget *open_button;
GtkWidget *load_layer_button;
GtkWidget *save_layer_button;
GtkTreeStore *cell_tree_store;
GtkWidget *cell_search_entry;
LayerSelector *layer_selector;
@ -62,6 +70,7 @@ struct _GdsRenderGui {
ActivityBar *activity_status_bar;
struct render_settings render_dialog_settings;
ColorPalette *palette;
struct gui_button_states button_state_data;
};
G_DEFINE_TYPE(GdsRenderGui, gds_render_gui, G_TYPE_OBJECT)
@ -283,6 +292,10 @@ static void on_convert_clicked(gpointer button, gpointer user)
if (!self)
return;
/* Abort if rendering is already active */
if (self->button_state_data.rendering_active == TRUE)
return;
sett = &self->render_dialog_settings;
/* Get selected cell */
@ -374,10 +387,14 @@ static void on_convert_clicked(gpointer button, gpointer user)
if (render_engine) {
gds_output_renderer_set_output_file(render_engine, file_name);
gds_output_renderer_set_layer_settings(render_engine, layer_settings);
/* Prevent user from overwriting library or triggering additional conversion */
self->button_state_data.rendering_active = TRUE;
/* TODO: Replace this with asynchronous rendering. However, this fixes issue #19 */
gds_output_renderer_render_output(render_engine, cell_to_render, sett->scale);
self->button_state_data.rendering_active = FALSE;
g_object_unref(render_engine);
}
@ -407,6 +424,22 @@ static void cell_tree_view_activated(gpointer tree_view, GtkTreePath *path,
on_convert_clicked(NULL, user);
}
static void process_button_state_changes(GdsRenderGui *self)
{
gboolean convert_button_state = FALSE;
gboolean open_gds_button_state = FALSE;
/* Calculate states */
if (!self->button_state_data.rendering_active) {
open_gds_button_state = TRUE;
if (self->button_state_data.valid_cell_selected)
convert_button_state = TRUE;
}
/* Apply states */
gtk_widget_set_sensitive(self->convert_button, convert_button_state);
gtk_widget_set_sensitive(self->open_button, open_gds_button_state);
}
/**
* @brief Callback for cell-selection change event
@ -423,10 +456,12 @@ static void cell_selection_changed(GtkTreeSelection *sel, GdsRenderGui *self)
if (gtk_tree_selection_get_selected(sel, &model, &iter)) {
/* Node selected. Show button */
gtk_widget_set_sensitive(self->convert_button, TRUE);
self->button_state_data.valid_cell_selected = TRUE;
} else {
gtk_widget_set_sensitive(self->convert_button, FALSE);
self->button_state_data.valid_cell_selected = FALSE;
}
process_button_state_changes(self);
}
static void sort_up_callback(GtkWidget *widget, gpointer user)
@ -466,6 +501,9 @@ static void gds_render_gui_dispose(GObject *gobject)
g_clear_object(&self->cell_search_entry);
g_clear_object(&self->activity_status_bar);
g_clear_object(&self->palette);
g_clear_object(&self->load_layer_button);
g_clear_object(&self->save_layer_button);
g_clear_object(&self->open_button);
if (self->main_window) {
g_signal_handlers_destroy(self->main_window);
@ -521,7 +559,8 @@ static void gds_render_gui_init(GdsRenderGui *self)
self->cell_tree_store = cell_selector_stores->base_store;
self->main_window = GTK_WINDOW(gtk_builder_get_object(main_builder, "main-window"));
g_signal_connect(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-gds")),
self->open_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-gds"));
g_signal_connect(self->open_button,
"clicked", G_CALLBACK(on_load_gds), (gpointer)self);
self->convert_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "convert-button"));
@ -550,11 +589,10 @@ static void gds_render_gui_init(GdsRenderGui *self)
g_signal_connect(sort_down_button, "clicked", G_CALLBACK(sort_down_callback), self);
/* Set buttons for loading and saving */
layer_selector_set_load_mapping_button(self->layer_selector,
GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-mapping")),
self->main_window);
layer_selector_set_save_mapping_button(self->layer_selector, GTK_WIDGET(gtk_builder_get_object(main_builder, "button-save-mapping")),
self->main_window);
self->load_layer_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-mapping"));
self->save_layer_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "button-save-mapping"));
layer_selector_set_load_mapping_button(self->layer_selector, self->load_layer_button, self->main_window);
layer_selector_set_save_mapping_button(self->layer_selector, self->save_layer_button, self->main_window);
/* Connect delete-event */
g_signal_connect(GTK_WIDGET(self->main_window), "delete-event",
@ -579,6 +617,10 @@ static void gds_render_gui_init(GdsRenderGui *self)
g_object_unref(main_builder);
/* Setup default button sensibility data */
self->button_state_data.rendering_active = FALSE;
self->button_state_data.valid_cell_selected = FALSE;
/* Reference all objects referenced by this object */
g_object_ref(self->activity_status_bar);
g_object_ref(self->main_window);
@ -588,6 +630,9 @@ static void gds_render_gui_init(GdsRenderGui *self)
g_object_ref(self->cell_tree_store);
g_object_ref(self->cell_search_entry);
g_object_ref(self->palette);
g_object_ref(self->open_button);
g_object_ref(self->load_layer_button);
g_object_ref(self->save_layer_button);
}
GdsRenderGui *gds_render_gui_new()