Files
2026-02-20 23:40:15 -08:00

216 lines
7.2 KiB
C

#include "x11.h"
#include <stdlib.h>
struct MwmHints {
// These correspond to XmRInt resources. (VendorSE.c)
int flags;
int functions;
int decorations;
int input_mode;
int status;
};
#define MWM_HINTS_DECORATIONS (1L << 1)
void kinc_x11_window_set_title(int window_index, const char *title);
void kinc_x11_window_change_mode(int window_index, kinc_window_mode_t mode);
int kinc_x11_window_create(kinc_window_options_t *win, kinc_framebuffer_options_t *frame) {
int window_index = -1;
for (int i = 0; i < MAXIMUM_WINDOWS; i++) {
if (x11_ctx.windows[i].window == None) {
window_index = i;
break;
}
}
if (window_index == -1) {
kinc_log(KINC_LOG_LEVEL_ERROR, "Too much windows (maximum is %i)", MAXIMUM_WINDOWS);
exit(1);
}
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
window->window_index = window_index;
window->width = win->width;
window->height = win->height;
Visual *visual = NULL;
XSetWindowAttributes set_window_attribs = {0};
set_window_attribs.border_pixel = 0;
set_window_attribs.event_mask =
KeyPressMask | KeyReleaseMask | ExposureMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask | FocusChangeMask;
int screen = DefaultScreen(x11_ctx.display);
visual = DefaultVisual(x11_ctx.display, screen);
int depth = DefaultDepth(x11_ctx.display, screen);
set_window_attribs.colormap = xlib.XCreateColormap(x11_ctx.display, RootWindow(x11_ctx.display, screen), visual, AllocNone);
window->window = xlib.XCreateWindow(x11_ctx.display, RootWindow(x11_ctx.display, DefaultScreen(x11_ctx.display)), 0, 0, win->width, win->height, 0, depth,
InputOutput, visual, CWBorderPixel | CWColormap | CWEventMask, &set_window_attribs);
static char nameClass[256];
static const char *nameClassAddendum = "_KincApplication";
strncpy(nameClass, kinc_application_name(), sizeof(nameClass) - strlen(nameClassAddendum) - 1);
strcat(nameClass, nameClassAddendum);
char resNameBuffer[256];
strncpy(resNameBuffer, kinc_application_name(), 256);
XClassHint classHint = {.res_name = resNameBuffer, .res_class = nameClass};
xlib.XSetClassHint(x11_ctx.display, window->window, &classHint);
xlib.XSetLocaleModifiers("@im=none");
window->xInputMethod = xlib.XOpenIM(x11_ctx.display, NULL, NULL, NULL);
window->xInputContext = xlib.XCreateIC(window->xInputMethod, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, window->window, NULL);
xlib.XSetICFocus(window->xInputContext);
window->mode = KINC_WINDOW_MODE_WINDOW;
kinc_x11_window_change_mode(window_index, win->mode);
xlib.XMapWindow(x11_ctx.display, window->window);
Atom XdndVersion = 5;
xlib.XChangeProperty(x11_ctx.display, window->window, x11_ctx.atoms.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char *)&XdndVersion, 1);
xlib.XSetWMProtocols(x11_ctx.display, window->window, &x11_ctx.atoms.WM_DELETE_WINDOW, 1);
kinc_x11_window_set_title(window_index, win->title);
if (x11_ctx.pen.id != -1) {
xlib.XSelectExtensionEvent(x11_ctx.display, window->window, &x11_ctx.pen.motionClass, 1);
}
if (x11_ctx.eraser.id != -1) {
xlib.XSelectExtensionEvent(x11_ctx.display, window->window, &x11_ctx.eraser.motionClass, 1);
}
x11_ctx.num_windows++;
return window_index;
}
void kinc_x11_window_destroy(int window_index) {
xlib.XFlush(x11_ctx.display);
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XDestroyIC(window->xInputContext);
xlib.XCloseIM(window->xInputMethod);
xlib.XDestroyWindow(x11_ctx.display, window->window);
xlib.XFlush(x11_ctx.display);
*window = (struct kinc_x11_window){0};
x11_ctx.num_windows--;
}
void kinc_x11_window_set_title(int window_index, const char *_title) {
const char *title = _title == NULL ? "" : _title;
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XChangeProperty(x11_ctx.display, window->window, x11_ctx.atoms.NET_WM_NAME, x11_ctx.atoms.UTF8_STRING, 8, PropModeReplace, (unsigned char *)title,
strlen(title));
xlib.XChangeProperty(x11_ctx.display, window->window, x11_ctx.atoms.NET_WM_ICON_NAME, x11_ctx.atoms.UTF8_STRING, 8, PropModeReplace, (unsigned char *)title,
strlen(title));
xlib.XFlush(x11_ctx.display);
}
int kinc_x11_window_x(int window_index) {
kinc_log(KINC_LOG_LEVEL_ERROR, "x11 does not support getting the window position.");
return 0;
}
int kinc_x11_window_y(int window_index) {
kinc_log(KINC_LOG_LEVEL_ERROR, "x11 does not support getting the window position.");
return 0;
}
void kinc_x11_window_move(int window_index, int x, int y) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XMoveWindow(x11_ctx.display, window->window, x, y);
}
int kinc_x11_window_width(int window_index) {
return x11_ctx.windows[window_index].width;
}
int kinc_x11_window_height(int window_index) {
return x11_ctx.windows[window_index].height;
}
void kinc_x11_window_resize(int window_index, int width, int height) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XResizeWindow(x11_ctx.display, window->window, width, height);
}
void kinc_x11_window_show(int window_index) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XMapWindow(x11_ctx.display, window->window);
}
void kinc_x11_window_hide(int window_index) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
xlib.XUnmapWindow(x11_ctx.display, window->window);
}
void kinc_x11_window_set_foreground(int window_index) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
if (window->window == None) {
return;
}
xlib.XRaiseWindow(x11_ctx.display, window->window);
xlib.XSetInputFocus(x11_ctx.display, window->window, RevertToParent, CurrentTime);
xlib.XFlush(x11_ctx.display);
}
kinc_window_mode_t kinc_x11_window_get_mode(int window_index) {
return x11_ctx.windows[window_index].mode;
}
void kinc_x11_window_change_mode(int window_index, kinc_window_mode_t mode) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
if (mode == window->mode) {
return;
}
bool fullscreen = false;
switch (mode) {
case KINC_WINDOW_MODE_WINDOW:
if (window->mode == KINC_WINDOW_MODE_FULLSCREEN) {
window->mode = KINC_WINDOW_MODE_WINDOW;
fullscreen = false;
}
else {
return;
}
break;
case KINC_WINDOW_MODE_FULLSCREEN:
case KINC_WINDOW_MODE_EXCLUSIVE_FULLSCREEN:
if (window->mode == KINC_WINDOW_MODE_WINDOW) {
window->mode = KINC_WINDOW_MODE_FULLSCREEN;
fullscreen = true;
}
else {
return;
}
break;
}
XEvent xev;
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = window->window;
xev.xclient.message_type = x11_ctx.atoms.NET_WM_STATE;
xev.xclient.format = 32;
xev.xclient.data.l[0] = fullscreen ? 1 : 0;
xev.xclient.data.l[1] = x11_ctx.atoms.NET_WM_STATE_FULLSCREEN;
xev.xclient.data.l[2] = 0;
xlib.XMapWindow(x11_ctx.display, window->window);
xlib.XSendEvent(x11_ctx.display, DefaultRootWindow(x11_ctx.display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
xlib.XFlush(x11_ctx.display);
}
int kinc_x11_window_display(int window_index) {
struct kinc_x11_window *window = &x11_ctx.windows[window_index];
return window->display_index;
}
int kinc_x11_count_windows() {
return x11_ctx.num_windows;
}