Noise-generator/srcs/windowManager/WindowManager.cpp
2024-12-13 15:23:55 +01:00

88 lines
2.5 KiB
C++

#include "windowManager/WindowManager.hpp"
#include <string.h>
#include <X11/Xutil.h>
#include <iostream>
#include <X11/Xlib.h>
#include <csignal>
#include <mutex>
WindowManager::WindowManager(int width, int height) :
WindowX(0), WindowY(0),
WindowWidth(width), WindowHeight(height),
BorderWidth(0),
WindowDepth(CopyFromParent),
WindowClass(CopyFromParent),
WindowVisual(CopyFromParent),
AttributeValueMask(CWBackPixel | CWEventMask)
{
img = new u_int32_t[width * height];
MainDisplay = XOpenDisplay(0);
RootWindow = XDefaultRootWindow(MainDisplay);
bzero(&WindowAttributes, sizeof(XSetWindowAttributes));
WindowAttributes.background_pixel = 0x0;
WindowAttributes.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask | ExposureMask;
MainWindow = XCreateWindow(MainDisplay, RootWindow,
WindowX, WindowY, WindowWidth, WindowHeight,
BorderWidth, WindowDepth, WindowClass, WindowVisual,
AttributeValueMask, &WindowAttributes);
XMapWindow(MainDisplay, MainWindow);
wmDelete = XInternAtom(MainDisplay, "WM_DELETE_WINDOW", false);
XSetWMProtocols(MainDisplay, MainWindow, &wmDelete, 1);
isWindowOpen = true;
}
WindowManager::~WindowManager() {
XUnmapWindow(this->MainDisplay, this->MainWindow);
XDestroyWindow(this->MainDisplay, this->MainWindow);
XCloseDisplay(this->MainDisplay);
delete[] img;
}
void WindowManager::loop() {
while (isWindowOpen) {
XEvent GeneralEvent = {};
XNextEvent(this->MainDisplay, &GeneralEvent);
switch(GeneralEvent.type) {
case KeyPress:
case KeyRelease:
{
XKeyPressedEvent *event = (XKeyPressedEvent *)&GeneralEvent;
if (event->keycode == XKeysymToKeycode(this->MainDisplay, XK_Escape)) {
this->isWindowOpen = false;
}
} break;
case ClientMessage: {
if (static_cast<Atom>(GeneralEvent.xclient.data.l[0]) == this->wmDelete) {
this->isWindowOpen = false;
}
} break;
case Expose:
{
std::cout << "test" << std::endl;
display_image();
} break;
}
}
}
void WindowManager::display_image() {
XImage image;
image.width = WindowWidth;
image.height = WindowHeight;
image.format = ZPixmap;
image.data = reinterpret_cast<char *>(img);
image.byte_order = LSBFirst;
image.bitmap_unit = 32;
image.byte_order = LSBFirst;
image.bitmap_pad = 32;
image.depth = 24;
image.bytes_per_line = this->WindowWidth * 4;
image.bits_per_pixel = 32;
XPutImage(MainDisplay, MainWindow, DefaultGC(MainDisplay, 0), &image, 0, 0, 0, 0, WindowWidth, WindowHeight);
XFlush(MainDisplay);
}