115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/***********************************************************
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*
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* main.c - testing CustomCellRendererProgress
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*
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* part of the Gtk+ tree view tutorial
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*
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* by Tim-Philipp Mueller < tim at centricular dot net >
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*
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***********************************************************/
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#include "custom-cell-renderer-progressbar.h"
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static GtkListStore *liststore;
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static gboolean increasing = TRUE; /* direction of progress bar change */
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enum
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{
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COL_PERCENTAGE = 0,
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COL_TEXT,
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NUM_COLS
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};
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#define STEP 0.01
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gboolean
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increase_progress_timeout (GtkCellRenderer *renderer)
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{
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GtkTreeIter iter;
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gfloat perc = 0.0;
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gchar buf[20];
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gtk_tree_model_get_iter_first(GTK_TREE_MODEL(liststore), &iter); /* first and only row */
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gtk_tree_model_get (GTK_TREE_MODEL(liststore), &iter, COL_PERCENTAGE, &perc, -1);
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if ( perc > (1.0-STEP) || (perc < STEP && perc > 0.0) )
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{
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increasing = (!increasing);
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}
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if (increasing)
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perc = perc + STEP;
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else
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perc = perc - STEP;
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g_snprintf(buf, sizeof(buf), "%u %%", (guint)(perc*100));
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gtk_list_store_set (liststore, &iter, COL_PERCENTAGE, perc, COL_TEXT, buf, -1);
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return TRUE; /* Call again */
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}
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GtkWidget *
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create_view_and_model (void)
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{
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GtkTreeViewColumn *col;
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GtkCellRenderer *renderer;
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GtkTreeIter iter;
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GtkWidget *view;
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liststore = gtk_list_store_new(NUM_COLS, G_TYPE_FLOAT, G_TYPE_STRING);
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gtk_list_store_append(liststore, &iter);
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gtk_list_store_set (liststore, &iter, COL_PERCENTAGE, 0.5, -1); /* start at 50% */
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view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(liststore));
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g_object_unref(liststore); /* destroy store automatically with view */
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renderer = gtk_cell_renderer_text_new();
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col = gtk_tree_view_column_new();
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gtk_tree_view_column_pack_start (col, renderer, TRUE);
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gtk_tree_view_column_add_attribute (col, renderer, "text", COL_TEXT);
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gtk_tree_view_column_set_title (col, "Progress");
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gtk_tree_view_append_column(GTK_TREE_VIEW(view),col);
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renderer = custom_cell_renderer_progress_new();
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col = gtk_tree_view_column_new();
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gtk_tree_view_column_pack_start (col, renderer, TRUE);
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gtk_tree_view_column_add_attribute (col, renderer, "percentage", COL_PERCENTAGE);
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gtk_tree_view_column_set_title (col, "Progress");
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gtk_tree_view_append_column(GTK_TREE_VIEW(view),col);
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g_timeout_add(50, (GSourceFunc) increase_progress_timeout, NULL);
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return view;
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *window, *view;
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gtk_init(&argc,&argv);
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_default_size (GTK_WINDOW(window), 150, 100);
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g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
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view = create_view_and_model();
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gtk_container_add(GTK_CONTAINER(window), view);
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gtk_widget_show_all(window);
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gtk_main();
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return 0;
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}
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