96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
#include "Jtk.h"
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#ifdef JTK_X
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#include <GL/glx.h>
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#include "Jtk_internal.h"
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#include <stdio.h>
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#include <X11/Xatom.h>
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#include <cstring>
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static Bool WaitForNotify(Display * display, XEvent * event, XPointer arg)
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{
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return (event->type == MapNotify) && (event->xmap.window == (Window)arg);
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}
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void * Jtk_CreateWindow()
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{
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XEvent event;
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Window window = XCreateWindow(g_display,
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RootWindow(g_display, g_vi->screen),
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0, 0, 800, 800, 0, g_vi->depth, InputOutput, g_vi->visual,
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CWBorderPixel | CWColormap | CWEventMask, &g_swa);
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XMapWindow(g_display, window);
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XIfEvent(g_display, &event, WaitForNotify, (XPointer)window);
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if (glXMakeCurrent(g_display, window, g_context) == False)
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{
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fprintf(stderr, "glXMakeCurrent() failure\n");
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XDestroyWindow(g_display, window);
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return nullptr;
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}
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/* Disable the window close button. */
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Atom wm_delete_window_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", False);
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XSetWMProtocols(g_display, window, &wm_delete_window_atom, 1);
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return (void *)window;
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}
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void Jtk_SwapBuffers(void * window)
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{
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glXSwapBuffers(g_display, (Window)window);
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}
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void Jtk_CloseWindow(void * window)
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{
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XDestroyWindow(g_display, (Window)window);
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}
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void Jtk_SetWindowTitle(void * window, const char * title)
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{
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XTextProperty title_property;
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if (XStringListToTextProperty((char **)&title, 1, &title_property) != 0)
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{
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XSetTextProperty(g_display, (Window)window, &title_property, XA_WM_NAME);
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XFree(title_property.value);
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}
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}
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/**
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* Set the window icon.
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*
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* @param window
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* The window to operate on.
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* @param data
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* The format of data must be 32 bits per pixel in BGRA format (e.g. data[0]
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* is blue value, data[3] is alpha value of first pixel).
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* @param width
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* Icon width.
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* @param height
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* Icon height.
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*/
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void Jtk_SetWindowIcon(void * window, const uint8_t * data,
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size_t width, size_t height)
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{
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Atom net_wm_icon_atom = XInternAtom(g_display, "_NET_WM_ICON", False);
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size_t property_size = (2u + width * height) * sizeof(long);
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unsigned long * property_data = (unsigned long *)malloc(property_size);
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property_data[0] = width;
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property_data[1] = height;
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unsigned long * dest = &property_data[2];
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const uint32_t * src = (const uint32_t *)data;
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for (size_t row = 0u; row < height; row++)
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{
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for (size_t col = 0u; col < width; col++)
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{
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*dest++ = *src++;
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}
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}
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XChangeProperty(g_display, (Window)window, net_wm_icon_atom, XA_CARDINAL,
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32, PropModeReplace, (uint8_t *)property_data, property_size);
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XFlush(g_display);
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free(property_data);
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}
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#endif
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