C++ (Cpp) N_ROWS_VISIBLE Examples

Example #1

AGlActor*
list_view(WaveformActor* _)
{
	instance_count++;

	_init();

	bool list_paint(AGlActor* actor)
	{
		ListView* view = (ListView*)actor;

		#define row_height 20
		#define N_ROWS_VISIBLE(A) (agl_actor__height(((AGlActor*)A)) / row_height)
		int n_rows = N_ROWS_VISIBLE(actor);

		int col[] = {0, 150, 260, 360, 420};

		GtkTreeIter iter;
		if(!gtk_tree_model_get_iter_first((GtkTreeModel*)samplecat.store, &iter)){ gerr ("cannot get iter."); return false; }
		int i = 0;
		for(;i<view->scroll_offset;i++){
			gtk_tree_model_iter_next((GtkTreeModel*)samplecat.store, &iter);
		}
		int row_count = 0;
		do {
			if(row_count == view->selection - view->scroll_offset){
				agl->shaders.plain->uniform.colour = 0x6677ff77;
				agl_use_program((AGlShader*)agl->shaders.plain);
				agl_rect_((AGlRect){0, row_count * row_height - 2, agl_actor__width(actor), row_height});
			}

			Sample* sample = samplecat_list_store_get_sample_by_iter(&iter);
			if(sample){
				char* len[32]; format_smpte((char*)len, sample->frames);
				char* f[32]; samplerate_format((char*)f, sample->sample_rate);

				char* val[4] = {sample->name, sample->sample_dir, (char*)len, (char*)f};

				int c; for(c=0;c<G_N_ELEMENTS(val);c++){
					agl_enable_stencil(0, 0, col[c + 1] - 6, actor->region.y2);
					agl_print(col[c], row_count * row_height, 0, 0xffffffff, val[c]);
				}
				sample_unref(sample);
			}
		} while (++row_count < n_rows && gtk_tree_model_iter_next((GtkTreeModel*)samplecat.store, &iter));

		agl_disable_stencil();

		return true;
	}

Example #2

File: dirs.c Project: ayyi/samplecat

	void dirs_set_size(AGlActor* actor)
	{
		DirectoriesView* view = (DirectoriesView*)actor;

		#define N_ROWS_VISIBLE(A) (agl_actor__height(((AGlActor*)A)) / row_height)
		view->cache.n_rows_visible = N_ROWS_VISIBLE(actor);

		if(!view->cache.n_rows){
			GNode* node = g_node_first_child (samplecat.model->dir_tree);
			for(; node; node = g_node_next_sibling(node)){
				view->cache.n_rows++;
			}
			agl_actor__invalidate(actor);
		}

		actor->region.y2 = MIN(actor->region.y2, actor->region.y1 + (view->cache.n_rows + 1) * row_height);
	}