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CodeMap.cpp
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CodeMap.cpp
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#include <vector>
#include <gtk/gtk.h>
#include "Parser.h"
#include "ClassGraphic.h"
#include "MethodObject.h"
static GtkWidget *window = NULL;
static vector<ClassGraphic*> classes;
static BaseObject *selectedObject;
static int previousMouseX, previousMouseY;
static void destroy(GtkWidget *widget, gpointer data) {
gtk_main_quit();
for (auto I = classes.begin(); I != classes.end(); ++I) {
g_print("freeing %s\n", (*I)->name.c_str());
delete *I;
}
}
static gboolean delete_event(GtkWidget *widget, GdkEvent *event, gpointer data) {
gtk_main_quit();
return FALSE;
}
static gboolean expose_event_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
cairo_t *cr = gdk_cairo_create(widget->window);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_paint(cr);
cairo_set_line_width(cr, 1);
vector<GdkPoint> linePoints;
for (auto I = classes.begin(); I != classes.end(); ++I) {
(*I)->paintGraphic(widget, cr, &linePoints);
}
for (uint i=0; i<linePoints.size(); i+=2) {
cairo_move_to(cr, linePoints[i].x, linePoints[i].y);
cairo_line_to(cr, linePoints[i+1].x, linePoints[i+1].y);
cairo_stroke(cr);
}
cairo_destroy(cr);
return FALSE;
}
static BaseObject* findSelectedObject(int x, int y) {
for (auto I = classes.rbegin(); I != classes.rend(); ++I) {
BaseObject *potentialObject = (*I)->objectAtPoint(x, y);
if (potentialObject) return potentialObject;
}
return NULL;
}
static gint button_press_event(GtkWidget *widget, GdkEventButton *event) {
if (event->button == 1) {
int mouseX = event->x, mouseY = event->y;
selectedObject = findSelectedObject(mouseX, mouseY);
if (selectedObject) {
previousMouseX = mouseX;
previousMouseY = mouseY;
}
}
return TRUE;
}
static gint button_release_event(GtkWidget *widget, GdkEventButton *event) {
if (event->button == 1) {
if (selectedObject && selectedObject->parentObj) {
selectedObject->parentObj->shrinkToFitChildrenIfPossible();
gtk_widget_draw(widget, &(widget->allocation)); // TODO: Find a way to not redraw everything!!!
}
}
return TRUE;
}
static gint motion_notify_event(GtkWidget *widget, GdkEventMotion *event) {
if (event->state & GDK_BUTTON1_MASK && selectedObject) {
int deltaX = event->x - previousMouseX, deltaY = event->y - previousMouseY;
previousMouseX = event->x;
previousMouseY = event->y;
selectedObject->updateLocation(deltaX, deltaY, widget);
}
return TRUE;
}
GtkWidget* setUpDrawingWidgetInBox() {
GtkWidget *topLevelBox = gtk_vbox_new(FALSE, 10);
gtk_container_add(GTK_CONTAINER(window), topLevelBox);
GtkWidget *drawing_area = gtk_drawing_area_new();
gtk_widget_set_size_request(drawing_area, 1100, 600);
g_signal_connect(G_OBJECT(drawing_area), "expose_event", G_CALLBACK(expose_event_callback), NULL);
g_signal_connect(G_OBJECT(drawing_area), "motion_notify_event", G_CALLBACK(motion_notify_event), NULL);
g_signal_connect(G_OBJECT(drawing_area), "button_press_event", G_CALLBACK(button_press_event), NULL);
g_signal_connect(G_OBJECT(drawing_area), "button_release_event", G_CALLBACK(button_release_event), NULL);
gtk_widget_add_events(drawing_area, GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
gtk_box_pack_start(GTK_BOX(topLevelBox), drawing_area, TRUE, TRUE, 0);
gtk_widget_show(drawing_area);
return topLevelBox;
}
void addButtonsToBox(GtkWidget* box) {
GtkWidget *subbox = gtk_hbox_new(FALSE, 10);
gtk_box_pack_start(GTK_BOX(box), subbox, TRUE, TRUE, 0);
GtkWidget *button = gtk_button_new_with_label("Load");
//g_signal_connect(button, "clicked", G_CALLBACK(callback), (gpointer)"button 1");
gtk_box_pack_start(GTK_BOX(subbox), button, TRUE, TRUE, 0);
gtk_widget_show(button);
button = gtk_button_new_with_label("Quit");
g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_widget_destroy), window);
gtk_box_pack_end(GTK_BOX(subbox), button, TRUE, TRUE, 0);
gtk_widget_show(button);
gtk_widget_show(subbox);
}
void setUpGtkWindow() {
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Code Map!");
gtk_container_set_border_width(GTK_CONTAINER(window), 5);
g_signal_connect(window, "destroy", G_CALLBACK(destroy), NULL);
g_signal_connect(window, "delete-event", G_CALLBACK(delete_event), NULL);
GtkWidget *topLevelBox = setUpDrawingWidgetInBox();
addButtonsToBox(topLevelBox);
gtk_widget_show(topLevelBox);
gtk_widget_show(window);
}
int main(int argc, const char **argv) {
classes = Parser::classesFromFile(argc, argv);
char **conv = const_cast<char **>(argv);
gtk_init(&argc, &conv);
setUpGtkWindow();
gtk_main();
return 0;
}