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117
Task/Window-management/Wren/window-management-1.wren
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117
Task/Window-management/Wren/window-management-1.wren
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/* window_management.wren */
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var GTK_WINDOW_TOPLEVEL = 0
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var GTK_ORIENTATION_VERTICAL = 1
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var GTK_BUTTONBOX_CENTER = 5
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foreign class GtkWindow {
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construct new(type) {}
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foreign title=(title)
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foreign setDefaultSize(width, height)
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foreign add(widget)
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foreign connectDestroy()
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foreign showAll()
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foreign iconify()
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foreign deiconify()
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foreign maximize()
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foreign unmaximize()
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foreign move(x, y)
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foreign resize(width, height)
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foreign hide()
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foreign destroy()
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}
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foreign class GtkButtonBox {
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construct new(orientation) {}
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foreign spacing=(interval)
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foreign layout=(layoutStyle)
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foreign add(button)
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}
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foreign class GtkButton {
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construct newWithLabel(label) {}
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foreign connectClicked()
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}
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class Gdk {
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foreign static flush()
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}
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class C {
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foreign static sleep(secs)
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}
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var Window = GtkWindow.new(GTK_WINDOW_TOPLEVEL)
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Window.title = "Window management"
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Window.setDefaultSize(400, 400)
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Window.connectDestroy()
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class GtkCallbacks {
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static btnClicked(label) {
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if (label == "Minimize") {
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Window.iconify()
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} else if (label == "Unminimize") {
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Window.deiconify()
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} else if (label == "Maximize") {
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Window.maximize()
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} else if (label == "Unmaximize") {
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Window.unmaximize()
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} else if (label == "Move") {
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Window.move(0, 0) // move to top left hand corner of display
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} else if (label == "Resize") {
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Window.resize(600, 600)
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} else if (label == "Hide") {
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Window.hide()
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Gdk.flush()
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C.sleep(5) // wait 5 seconds
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Window.showAll()
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} else if (label == "Close") {
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Window.destroy()
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}
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}
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}
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var buttonBox = GtkButtonBox.new(GTK_ORIENTATION_VERTICAL)
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buttonBox.spacing = 20
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buttonBox.layout = GTK_BUTTONBOX_CENTER
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Window.add(buttonBox)
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var btnMin = GtkButton.newWithLabel("Minimize")
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btnMin.connectClicked()
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buttonBox.add(btnMin)
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var btnUnmin = GtkButton.newWithLabel("Unminimize")
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btnUnmin.connectClicked()
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buttonBox.add(btnUnmin)
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var btnMax = GtkButton.newWithLabel("Maximize")
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btnMax.connectClicked()
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buttonBox.add(btnMax)
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var btnUnmax = GtkButton.newWithLabel("Unmaximize")
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btnUnmax.connectClicked()
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buttonBox.add(btnUnmax)
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var btnMove = GtkButton.newWithLabel("Move")
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btnMove.connectClicked()
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buttonBox.add(btnMove)
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var btnResize = GtkButton.newWithLabel("Resize")
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btnResize.connectClicked()
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buttonBox.add(btnResize)
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var btnHide = GtkButton.newWithLabel("Hide")
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btnHide.connectClicked()
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buttonBox.add(btnHide)
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var btnClose = GtkButton.newWithLabel("Close")
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btnClose.connectClicked()
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buttonBox.add(btnClose)
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Window.showAll()
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250
Task/Window-management/Wren/window-management-2.wren
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250
Task/Window-management/Wren/window-management-2.wren
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/* gcc `pkg-config --cflags gtk+-3.0` -DGDK_VERSION_MIN_REQIRED=GDK_VERSION_3_2 window_management.c -o window_management `pkg-config --libs gtk+-3.0` -lwren -lm */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include <unistd.h>
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#include "wren.h"
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/* C <=> Wren interface functions */
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WrenVM *vm;
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static void btnClicked(GtkWidget *button, gpointer user_data) {
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const gchar *label = gtk_button_get_label(GTK_BUTTON(button));
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wrenEnsureSlots(vm, 2);
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wrenGetVariable(vm, "main", "GtkCallbacks", 0);
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WrenHandle *method = wrenMakeCallHandle(vm, "btnClicked(_)");
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wrenSetSlotString(vm, 1, (const char *)label);
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wrenCall(vm, method);
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wrenReleaseHandle(vm, method);
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}
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void C_gtkWindowAllocate(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenSetSlotNewForeign(vm, 0, 0, sizeof(GtkWidget*));
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GtkWindowType type = (GtkWindowType)wrenGetSlotDouble(vm, 1);
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*window = gtk_window_new(type);
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}
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void C_gtkButtonBoxAllocate(WrenVM* vm) {
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GtkWidget **buttonBox = (GtkWidget **)wrenSetSlotNewForeign(vm, 0, 0, sizeof(GtkWidget*));
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GtkOrientation orientation = (GtkOrientation)wrenGetSlotDouble(vm, 1);
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*buttonBox = gtk_button_box_new(orientation);
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}
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void C_gtkButtonAllocate(WrenVM* vm) {
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GtkWidget **button = (GtkWidget **)wrenSetSlotNewForeign(vm, 0, 0, sizeof(GtkWidget*));
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const gchar *label = (const gchar *)wrenGetSlotString(vm, 1);
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*button = gtk_button_new_with_label(label);
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}
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void C_setTitle(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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const gchar *title = (const gchar *)wrenGetSlotString(vm, 1);
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gtk_window_set_title(GTK_WINDOW(*window), title);
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}
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void C_setDefaultSize(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gint width = (gint)wrenGetSlotDouble(vm, 1);
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gint height = (gint)wrenGetSlotDouble(vm, 2);
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gtk_window_set_default_size(GTK_WINDOW(*window), width, height);
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}
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void C_add(WrenVM* vm) {
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GtkWidget **container = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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GtkWidget **widget = (GtkWidget **)wrenGetSlotForeign(vm, 1);
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gtk_container_add(GTK_CONTAINER(*container), *widget);
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}
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void C_connectDestroy(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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g_signal_connect(*window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
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}
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void C_showAll(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_widget_show_all(*window);
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}
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void C_iconify(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_window_iconify(GTK_WINDOW(*window));
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}
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void C_deiconify(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_window_deiconify(GTK_WINDOW(*window));
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}
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void C_maximize(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_window_maximize(GTK_WINDOW(*window));
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}
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void C_unmaximize(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_window_unmaximize(GTK_WINDOW(*window));
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}
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void C_move(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gint x = (gint)wrenGetSlotDouble(vm, 1);
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gint y = (gint)wrenGetSlotDouble(vm, 2);
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gtk_window_move(GTK_WINDOW(*window), x, y);
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}
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void C_resize(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gint width = (gint)wrenGetSlotDouble(vm, 1);
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gint height = (gint)wrenGetSlotDouble(vm, 2);
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gtk_window_resize(GTK_WINDOW(*window), width, height);
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}
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void C_hide(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_widget_hide(*window);
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}
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void C_destroy(WrenVM* vm) {
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GtkWidget **window = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gtk_widget_destroy(*window);
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}
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void C_setSpacing(WrenVM* vm) {
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GtkWidget **buttonBox = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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gint spacing = (gint)wrenGetSlotDouble(vm, 1);
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gtk_box_set_spacing(GTK_BOX(*buttonBox), spacing);
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}
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void C_setLayout(WrenVM* vm) {
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GtkWidget **buttonBox = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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GtkButtonBoxStyle layoutStyle = (GtkButtonBoxStyle)wrenGetSlotDouble(vm, 1);
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gtk_button_box_set_layout(GTK_BUTTON_BOX(*buttonBox), layoutStyle);
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}
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void C_connectClicked(WrenVM* vm) {
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GtkWidget **button = (GtkWidget **)wrenGetSlotForeign(vm, 0);
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g_signal_connect(*button, "clicked", G_CALLBACK(btnClicked), NULL);
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}
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void C_flush(WrenVM* vm) {
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gdk_display_flush(gdk_display_get_default());
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}
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void C_sleep(WrenVM* vm) {
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unsigned int secs = (unsigned int)wrenGetSlotDouble(vm, 1);
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sleep(secs);
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}
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WrenForeignClassMethods bindForeignClass(WrenVM* vm, const char* module, const char* className) {
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WrenForeignClassMethods methods;
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methods.allocate = NULL;
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methods.finalize = NULL;
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if (strcmp(module, "main") == 0) {
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if (strcmp(className, "GtkWindow") == 0) {
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methods.allocate = C_gtkWindowAllocate;
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} else if (strcmp(className, "GtkButtonBox") == 0) {
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methods.allocate = C_gtkButtonBoxAllocate;
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} else if (strcmp(className, "GtkButton") == 0) {
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methods.allocate = C_gtkButtonAllocate;
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}
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}
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return methods;
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}
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WrenForeignMethodFn bindForeignMethod(
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WrenVM* vm,
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const char* module,
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const char* className,
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bool isStatic,
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const char* signature) {
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if (strcmp(module, "main") == 0) {
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if (strcmp(className, "GtkWindow") == 0) {
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if (!isStatic && strcmp(signature, "title=(_)") == 0) return C_setTitle;
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if (!isStatic && strcmp(signature, "setDefaultSize(_,_)") == 0) return C_setDefaultSize;
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if (!isStatic && strcmp(signature, "add(_)") == 0) return C_add;
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if (!isStatic && strcmp(signature, "connectDestroy()") == 0) return C_connectDestroy;
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if (!isStatic && strcmp(signature, "showAll()") == 0) return C_showAll;
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if (!isStatic && strcmp(signature, "iconify()") == 0) return C_iconify;
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if (!isStatic && strcmp(signature, "deiconify()") == 0) return C_deiconify;
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if (!isStatic && strcmp(signature, "maximize()") == 0) return C_maximize;
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if (!isStatic && strcmp(signature, "unmaximize()") == 0) return C_unmaximize;
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if (!isStatic && strcmp(signature, "move(_,_)") == 0) return C_move;
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if (!isStatic && strcmp(signature, "resize(_,_)") == 0) return C_resize;
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if (!isStatic && strcmp(signature, "hide()") == 0) return C_hide;
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if (!isStatic && strcmp(signature, "destroy()") == 0) return C_destroy;
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} else if (strcmp(className, "GtkButtonBox") == 0) {
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if (!isStatic && strcmp(signature, "spacing=(_)") == 0) return C_setSpacing;
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if (!isStatic && strcmp(signature, "layout=(_)") == 0) return C_setLayout;
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if (!isStatic && strcmp(signature, "add(_)") == 0) return C_add;
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} else if (strcmp(className, "GtkButton") == 0) {
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if (!isStatic && strcmp(signature, "connectClicked()") == 0) return C_connectClicked;
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} else if (strcmp(className, "Gdk") == 0) {
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if (isStatic && strcmp(signature, "flush()") == 0) return C_flush;
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} else if (strcmp(className, "C") == 0) {
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if (isStatic && strcmp(signature, "sleep(_)") == 0) return C_sleep;
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}
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}
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return NULL;
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}
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static void writeFn(WrenVM* vm, const char* text) {
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printf("%s", text);
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}
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void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) {
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switch (errorType) {
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case WREN_ERROR_COMPILE:
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printf("[%s line %d] [Error] %s\n", module, line, msg);
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break;
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case WREN_ERROR_STACK_TRACE:
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printf("[%s line %d] in %s\n", module, line, msg);
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break;
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case WREN_ERROR_RUNTIME:
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printf("[Runtime Error] %s\n", msg);
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break;
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}
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}
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char *readFile(const char *fileName) {
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FILE *f = fopen(fileName, "r");
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fseek(f, 0, SEEK_END);
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long fsize = ftell(f);
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rewind(f);
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char *script = malloc(fsize + 1);
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fread(script, 1, fsize, f);
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fclose(f);
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script[fsize] = 0;
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return script;
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}
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int main(int argc, char **argv) {
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gtk_init(&argc, &argv);
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WrenConfiguration config;
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wrenInitConfiguration(&config);
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config.writeFn = &writeFn;
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config.errorFn = &errorFn;
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config.bindForeignClassFn = &bindForeignClass;
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config.bindForeignMethodFn = &bindForeignMethod;
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vm = wrenNewVM(&config);
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const char* module = "main";
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const char* fileName = "window_management.wren";
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char *script = readFile(fileName);
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WrenInterpretResult result = wrenInterpret(vm, module, script);
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switch (result) {
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case WREN_RESULT_COMPILE_ERROR:
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printf("Compile Error!\n");
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break;
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case WREN_RESULT_RUNTIME_ERROR:
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printf("Runtime Error!\n");
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break;
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case WREN_RESULT_SUCCESS:
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break;
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}
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gtk_main();
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wrenFreeVM(vm);
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free(script);
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return 0;
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}
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