zoomedit: Added level editor zoomedit.

1 files changed, 119 insertions, 0 deletions

diff --git a/window.c b/window.c
new file mode 100644
index 0000000..5dcbf20
--- /dev/null
+++ b/window.c
@@ -0,0 +1,119 @@
+#include "window.h"
+#include "ui.h"
+#include "draw.h"
+#include <gtk/gtk.h>
+
+
+static GtkWidget *drawingArea = NULL;
+static GtkAdjustment *hAdjustment = NULL, *vAdjustment = NULL;
+
+
+static gboolean delete_event(GtkWidget *widget, GdkEvent  *event, gpointer data) {
+  return FALSE;
+}
+
+static void destroy(GtkWidget *widget, gpointer data) {
+  gtk_main_quit();
+}
+
+static void refreshScrolling() {
+  if(getImageWidth() < drawingArea->allocation.width)
+    setXTranslate((getImageWidth()-drawingArea->allocation.width)/2);
+  else
+    setXTranslate(gtk_adjustment_get_value(hAdjustment));
+  
+  if(getImageHeight() < drawingArea->allocation.height)
+    setYTranslate((getImageHeight()-drawingArea->allocation.height)/2);
+  else 
+    setYTranslate(gtk_adjustment_get_value(vAdjustment));
+  
+  gdk_window_invalidate_rect(drawingArea->window, NULL, FALSE);
+}
+
+static void updateScrollbars() {
+  const gdouble imageWidth = getImageWidth(), imageHeight = getImageHeight();
+  const gdouble width = drawingArea->allocation.width, height = drawingArea->allocation.height;
+  gdouble upper, pageSize, value;
+  
+  g_object_get(G_OBJECT(hAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
+  g_object_set(G_OBJECT(hAdjustment), "upper", imageWidth, "page_size", width, NULL);
+  gtk_adjustment_changed(hAdjustment);
+  
+  if(pageSize > upper && width < imageWidth)
+    value = (imageWidth-width)/2;
+  else
+    value = MAX(MIN(gtk_adjustment_get_value(hAdjustment) - (width-pageSize)/2 + (imageWidth-upper)/2, imageWidth-width), 0);
+  gtk_adjustment_set_value(hAdjustment, value);
+  
+  g_object_get(G_OBJECT(vAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
+  g_object_set(G_OBJECT(vAdjustment), "upper", imageHeight, "page_size", height, NULL);
+  
+  if(pageSize > upper && height < imageHeight)
+    value = (imageHeight-height)/2;
+  else
+    value = MAX(MIN(gtk_adjustment_get_value(vAdjustment) - (height-pageSize)/2 + (imageHeight-upper)/2, imageHeight-height), 0);
+  gtk_adjustment_set_value(vAdjustment, value);
+  
+  refreshScrolling();
+}
+
+GtkWidget* createMainWindow() {
+  GtkWidget *window, *vbox, *menubar, *toolbar, *table, *vScroll, *hScroll;
+  GdkColor color = {0, 0, 0, 0};
+  
+  
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_default_size(GTK_WINDOW(window), 640, 480);
+  g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(delete_event), NULL);
+  g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL);
+  
+  vbox = gtk_vbox_new(FALSE, 0);
+  gtk_container_add(GTK_CONTAINER(window), vbox);
+  
+  menubar = getMenu();
+  gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
+  gtk_widget_show(menubar);
+  
+  toolbar = getToolbar();
+  gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
+  gtk_widget_show(toolbar);
+  
+  gtk_window_add_accel_group(GTK_WINDOW(window), getAccels());
+  
+  table = gtk_table_new(2, 2, FALSE);
+  gtk_box_pack_end(GTK_BOX(vbox), table, TRUE, TRUE, 0);
+  
+  drawingArea = gtk_drawing_area_new();
+  gtk_widget_modify_bg(drawingArea, GTK_WIDGET_STATE(drawingArea), &color);
+  g_signal_connect(G_OBJECT(drawingArea), "configure-event", G_CALLBACK(updateScrollbars), NULL);
+  g_signal_connect(G_OBJECT(drawingArea), "expose-event", G_CALLBACK(drawTopView), NULL);
+  gtk_table_attach(GTK_TABLE(table), drawingArea, 0, 1, 0, 1, GTK_FILL|GTK_EXPAND|GTK_SHRINK, GTK_FILL|GTK_EXPAND|GTK_SHRINK, 0, 0);
+  gtk_widget_show(drawingArea);
+  
+  hAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
+  hScroll = gtk_hscrollbar_new(hAdjustment);
+  g_signal_connect(G_OBJECT(hScroll), "value-changed", G_CALLBACK(refreshScrolling), NULL);
+  gtk_table_attach(GTK_TABLE(table), hScroll, 0, 1, 1, 2, GTK_FILL|GTK_EXPAND|GTK_SHRINK, 0, 0, 0);
+  gtk_widget_show(hScroll);
+  
+  vAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
+  vScroll = gtk_vscrollbar_new(vAdjustment);
+  g_signal_connect(G_OBJECT(vScroll), "value-changed", G_CALLBACK(refreshScrolling), NULL);
+  gtk_table_attach(GTK_TABLE(table), vScroll, 1, 2, 0, 1, 0, GTK_FILL|GTK_EXPAND|GTK_SHRINK, 0, 0);
+  gtk_widget_show(vScroll);
+  
+  gtk_widget_show(table);
+  gtk_widget_show(vbox);
+  
+  return window;
+}
+
+void zoomIn() {
+  setScale(getScale()*1.5);
+  updateScrollbars();
+}
+
+void zoomOut() {
+  setScale(getScale()/1.5);
+  updateScrollbars();
+}