libui/gtkarea/main.c

111 lines
2.7 KiB
C

// 4 september 2015
#include "area.h"
// #qo pkg-config: gtk+-3.0
struct handler {
uiAreaHandler ah;
};
static struct handler h;
static GtkWidget *nhspinb;
static GtkWidget *pphspinb;
static GtkWidget *nvspinb;
static GtkWidget *ppvspinb;
static void handlerHScrollConfig(uiAreaHandler *a, uiArea *area, uintmax_t *n, uintmax_t *pixelsPer)
{
*n = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(nhspinb));
*pixelsPer = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(pphspinb));
}
static void handlerVScrollConfig(uiAreaHandler *a, uiArea *area, uintmax_t *n, uintmax_t *pixelsPer)
{
*n = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(nvspinb));
*pixelsPer = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(ppvspinb));
}
static void recalcScroll(GtkSpinButton *sb, gpointer data)
{
// TODO
}
static GtkWidget *makeSpinbox(int min)
{
GtkWidget *sb;
sb = gtk_spin_button_new_with_range(min, 100000, 1);
gtk_spin_button_set_digits(GTK_SPIN_BUTTON(sb), 0);
g_signal_connect(sb, "value-changed", G_CALLBACK(recalcScroll), NULL);
return sb;
}
int main(void)
{
GtkWidget *mainwin;
GtkWidget *box;
GtkWidget *scroller;
GtkWidget *area;
GtkWidget *grid;
h.ah.HScrollConfig = handlerHScrollConfig;
h.ah.VScrollConfig = handlerVScrollConfig;
gtk_init(NULL, NULL);
mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width(GTK_CONTAINER(mainwin), 12);
g_signal_connect(mainwin, "destroy", G_CALLBACK(gtk_main_quit), NULL);
box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add(GTK_CONTAINER(mainwin), box);
scroller = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_set_hexpand(scroller, TRUE);
gtk_widget_set_halign(scroller, GTK_ALIGN_FILL);
gtk_widget_set_vexpand(scroller, TRUE);
gtk_widget_set_valign(scroller, GTK_ALIGN_FILL);
gtk_container_add(GTK_CONTAINER(box), scroller);
// TODO area
grid = gtk_grid_new();
gtk_widget_set_halign(grid, GTK_ALIGN_START);
gtk_container_add(GTK_CONTAINER(box), grid);
gtk_grid_attach(GTK_GRID(grid),
gtk_label_new("H Count"),
0, 0, 1, 1);
nhspinb = makeSpinbox(0);
gtk_grid_attach(GTK_GRID(grid), nhspinb,
1, 0, 1, 1);
gtk_grid_attach(GTK_GRID(grid),
gtk_label_new("H Pixels Per"),
0, 1, 1, 1);
pphspinb = makeSpinbox(1);
gtk_grid_attach(GTK_GRID(grid), pphspinb,
1, 1, 1, 1);
gtk_grid_attach(GTK_GRID(grid),
gtk_label_new("V Count"),
0, 2, 1, 1);
nvspinb = makeSpinbox(0);
gtk_grid_attach(GTK_GRID(grid), nvspinb,
1, 2, 1, 1);
gtk_grid_attach(GTK_GRID(grid),
gtk_label_new("V Pixels Per"),
0, 3, 1, 1);
ppvspinb = makeSpinbox(1);
gtk_grid_attach(GTK_GRID(grid), ppvspinb,
1, 3, 1, 1);
area = newArea((uiAreaHandler *) (&h));
gtk_container_add(GTK_CONTAINER(scroller), area);
gtk_widget_show_all(mainwin);
gtk_main();
return 0;
}