Re: Combobox disable item
Add an extra column to your list and use that to set your "sensitive" property
for the row.
Eric
/*
gcc -Wall combo_filter2.c -o combo_filter2 `pkg-config --cflags --libs
gtk+-3.0`
Tested on GTK3.18 and Ubuntu16.04
*/
#include
static void combo2_changed(GtkComboBox *combo2, gpointer data)
{
gint combo_row=gtk_combo_box_get_active(combo2);
if(combo_row==1)
{
GtkTreeIter iter;
gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(data), , "1");
gtk_list_store_set(GTK_LIST_STORE(data), , 1, FALSE, -1);
}
else
{
GtkTreeIter iter;
gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(data), , "1");
gtk_list_store_set(GTK_LIST_STORE(data), , 1, TRUE, -1);
}
}
int main(int argc, char *argv[])
{
gtk_init(, );
GtkWidget *window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Combo Filter2");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 300, 100);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
GtkTreeIter iter;
GtkListStore *store=gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_BOOLEAN);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Scandvb", 1, TRUE, -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "DVB module", 1, TRUE, -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "DVDb5-Scan", 1, TRUE, -1);
gtk_list_store_append(store, );
GtkCellRenderer *renderer=gtk_cell_renderer_text_new();
GtkWidget *combo1=gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo1), renderer, TRUE);
gtk_widget_set_hexpand(combo1, TRUE);
gtk_widget_set_vexpand(combo1, TRUE);
gtk_combo_box_set_active(GTK_COMBO_BOX(combo1), 0);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo1),
GTK_CELL_RENDERER(renderer), "text", 0, "sensitive", 1, NULL);
GtkWidget *combo2=gtk_combo_box_text_new();
gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 0, "1", "Show All");
gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 1, "2", "Disable DVB
module");
gtk_combo_box_set_active(GTK_COMBO_BOX(combo2), 0);
gtk_widget_set_hexpand(combo2, TRUE);
gtk_widget_set_vexpand(combo2, TRUE);
g_signal_connect(combo2, "changed", G_CALLBACK(combo2_changed), store);
g_object_unref(G_OBJECT(store));
GtkWidget *grid=gtk_grid_new();
gtk_grid_attach(GTK_GRID(grid), combo1, 0, 0, 1, 1);
gtk_grid_attach(GTK_GRID(grid), combo2, 0, 1, 1, 1);
gtk_container_add(GTK_CONTAINER(window), grid);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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Re: Combobox disable item
I am trying to make entries "greyed-out" ie: disabled, rather than hidden
eg the Combobox model contains ('Scandvb','DVB module','DVDb5-Scan')
There is another comboox with a configuration file chosen
I want to be able to make one or more of the entries unselectable if
prerequites are not available or the wrong type of config file is selected,
but still show the option as a prompt
thanks
On 22 June 2017 at 21:09, wrote:
>
>
> Hi Mike,
>
> What part of the combo box are you trying to disable? If you want to
> filter rows or columns you can set up a tree model filter to do so. Maybe
> something like the following?
>
> Eric
>
>
> /*
> gcc -Wall combo_filter1.c -o combo_filter1 `pkg-config --cflags --libs
> gtk+-3.0`
> Tested on GTK3.18 and Ubuntu16.04
> */
> #include
> #include
>
> static gint combo_row=0;
>
> static void change_combo(GtkComboBox *combo2, gpointer *data)
> {
> combo_row=gtk_combo_box_get_active(combo2);
> gtk_tree_model_filter_refilter(GTK_TREE_MODEL_FILTER(data[1]));
> gtk_combo_box_set_active(GTK_COMBO_BOX(data[0]), 0);
> }
> static gboolean show_rgb(GtkTreeModel *model, GtkTreeIter *iter, gpointer
> data)
> {
> gchar *string=gtk_tree_model_get_string_from_iter(model, iter);
> gint row=atoi(string);
> g_free(string);
>
> if(combo_row==1&<3)
> {
> g_print("Combo1 Don't Show %i\n", row);
> return FALSE;
> }
> else
> {
> g_print("Combo1 Show %i\n", row);
> return TRUE;
> }
> }
> int main(int argc, char *argv[])
> {
> gtk_init(, );
>
> GtkWidget *window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
> gtk_window_set_title(GTK_WINDOW(window), "Combo Filter");
> gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
> gtk_window_set_default_size(GTK_WINDOW(window), 300, 100);
> g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
>
> GtkTreeIter iter;
> GtkListStore *store=gtk_list_store_new(1, G_TYPE_STRING);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Yellow", -1);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Purple", -1);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Cyan", -1);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Red", -1);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Green", -1);
> gtk_list_store_append(store, );
> gtk_list_store_set(store, , 0, "Blue", -1);
>
> GtkTreeModel *model=gtk_tree_model_filter_new(GTK_TREE_MODEL(store),
> NULL);
> gtk_tree_model_filter_set_visible_func(GTK_TREE_MODEL_FILTER(model), (
> GtkTreeModelFilterVisibleFunc)show_rgb, NULL, NULL);
>
> GtkCellRenderer *renderer=gtk_cell_renderer_text_new();
>
> GtkWidget *combo1=gtk_combo_box_new_with_model(model);
> gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo1), renderer, TRUE);
> gtk_widget_set_hexpand(combo1, TRUE);
> gtk_widget_set_vexpand(combo1, TRUE);
> gtk_combo_box_set_active(GTK_COMBO_BOX(combo1), 0);
> gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo1),
> GTK_CELL_RENDERER(renderer), "text", 0, NULL);
>
> GtkWidget *combo2=gtk_combo_box_text_new();
> gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 0, "1", "Show
> All");
> gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 1, "2", "Show
> RGB");
> gtk_combo_box_set_active(GTK_COMBO_BOX(combo2), 0);
> gtk_widget_set_hexpand(combo2, TRUE);
> gtk_widget_set_vexpand(combo2, TRUE);
> gpointer data[]={combo1, model};
> g_signal_connect(combo2, "changed", G_CALLBACK(change_combo), data);
>
> g_object_unref(G_OBJECT(store));
>
> GtkWidget *grid=gtk_grid_new();
> gtk_grid_attach(GTK_GRID(grid), combo1, 0, 0, 1, 1);
> gtk_grid_attach(GTK_GRID(grid), combo2, 0, 1, 1, 1);
> gtk_container_add(GTK_CONTAINER(window), grid);
>
> gtk_widget_show_all(window);
> gtk_main();
> return 0;
> }
>
>
>
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Re: Combobox disable item
Hi Mike,
What part of the combo box are you trying to disable? If you want to filter
rows or columns you can set up a tree model filter to do so. Maybe something
like the following?
Eric
/*
gcc -Wall combo_filter1.c -o combo_filter1 `pkg-config --cflags --libs
gtk+-3.0`
Tested on GTK3.18 and Ubuntu16.04
*/
#include
#include
static gint combo_row=0;
static void change_combo(GtkComboBox *combo2, gpointer *data)
{
combo_row=gtk_combo_box_get_active(combo2);
gtk_tree_model_filter_refilter(GTK_TREE_MODEL_FILTER(data[1]));
gtk_combo_box_set_active(GTK_COMBO_BOX(data[0]), 0);
}
static gboolean show_rgb(GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
{
gchar *string=gtk_tree_model_get_string_from_iter(model, iter);
gint row=atoi(string);
g_free(string);
if(combo_row==1&<3)
{
g_print("Combo1 Don't Show %i\n", row);
return FALSE;
}
else
{
g_print("Combo1 Show %i\n", row);
return TRUE;
}
}
int main(int argc, char *argv[])
{
gtk_init(, );
GtkWidget *window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Combo Filter");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 300, 100);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
GtkTreeIter iter;
GtkListStore *store=gtk_list_store_new(1, G_TYPE_STRING);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Yellow", -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Purple", -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Cyan", -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Red", -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Green", -1);
gtk_list_store_append(store, );
gtk_list_store_set(store, , 0, "Blue", -1);
GtkTreeModel *model=gtk_tree_model_filter_new(GTK_TREE_MODEL(store), NULL);
gtk_tree_model_filter_set_visible_func(GTK_TREE_MODEL_FILTER(model),
(GtkTreeModelFilterVisibleFunc)show_rgb, NULL, NULL);
GtkCellRenderer *renderer=gtk_cell_renderer_text_new();
GtkWidget *combo1=gtk_combo_box_new_with_model(model);
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo1), renderer, TRUE);
gtk_widget_set_hexpand(combo1, TRUE);
gtk_widget_set_vexpand(combo1, TRUE);
gtk_combo_box_set_active(GTK_COMBO_BOX(combo1), 0);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo1),
GTK_CELL_RENDERER(renderer), "text", 0, NULL);
GtkWidget *combo2=gtk_combo_box_text_new();
gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 0, "1", "Show All");
gtk_combo_box_text_insert(GTK_COMBO_BOX_TEXT(combo2), 1, "2", "Show RGB");
gtk_combo_box_set_active(GTK_COMBO_BOX(combo2), 0);
gtk_widget_set_hexpand(combo2, TRUE);
gtk_widget_set_vexpand(combo2, TRUE);
gpointer data[]={combo1, model};
g_signal_connect(combo2, "changed", G_CALLBACK(change_combo), data);
g_object_unref(G_OBJECT(store));
GtkWidget *grid=gtk_grid_new();
gtk_grid_attach(GTK_GRID(grid), combo1, 0, 0, 1, 1);
gtk_grid_attach(GTK_GRID(grid), combo2, 0, 1, 1, 1);
gtk_container_add(GTK_CONTAINER(window), grid);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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Combobox disable item
Hi Is it possible to disable an item in a combobox? I cant find anything about this, set_sensitive only seems to apply to either cell-renderer or widget thanks Mike ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
