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Add basic XIM support for key events.

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This commit is contained in:
Roz K
2022-12-23 13:28:29 +01:00
parent 61cfdbccf3
commit abd5989de8
4 changed files with 81 additions and 24 deletions
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36
cpp/opengl/render_context_glx.cpp
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@ -21,9 +21,12 @@
#include <GLES3/gl32.h>
#include <X11/Xlib.h>
extern unsigned rk_events_mask;
Display * rk_display = nullptr;
Window rk_window = 0;
extern unsigned rk_events_mask;
XIC rk_input_context = nullptr;
static XIM rk_input_manager = nullptr;
static Colormap rk_colormap = 0;
static GLXContext rk_context = nullptr;
static bool rk_error_occured = false;
@ -94,6 +97,8 @@ rk_window_t rk_create_context(
char const * name,
unsigned width,
unsigned height) {
XSetLocaleModifiers("");
rk_display = XOpenDisplay(nullptr);
if (!rk_display) {
rk_printf("Failed to open X display.");
@ -151,14 +156,32 @@ rk_window_t rk_create_context(
rk_window = XCreateWindow(rk_display, RootWindow(rk_display, vi->screen),
0, 0, width, height, 0, vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask, &swa);
XFree(vi);
if (!rk_window) {
rk_printf("Failed to create window.");
rk_destroy_context();
return nullptr;
}
XFree(vi);
XStoreName(rk_display, rk_window, name);
rk_input_manager = XOpenIM(rk_display, nullptr, nullptr, nullptr);
if (!rk_input_manager) {
rk_printf("Failed to open input manager.");
rk_destroy_context();
return nullptr;
}
rk_input_context = XCreateIC(rk_input_manager,
XNInputStyle, XIMPreeditNone | XIMStatusNone,
XNClientWindow, rk_window,
NULL);
if (!rk_input_context) {
rk_printf("Failed to create input context.");
rk_destroy_context();
return nullptr;
}
XMapWindow(rk_display, rk_window);
XSetICFocus(rk_input_context);
char const * const glx_exts = glXQueryExtensionsString(rk_display, DefaultScreen(rk_display));
glXCreateContextAttribsARBProc const glXCreateContextAttribsARB =
@ -221,6 +244,15 @@ void rk_destroy_context() {
glXDestroyContext(rk_display, rk_context);
rk_context = nullptr;
}
if (rk_input_context) {
XUnsetICFocus(rk_input_context);
XDestroyIC(rk_input_context);
rk_input_context = nullptr;
}
if (rk_input_manager) {
XCloseIM(rk_input_manager);
rk_input_manager = nullptr;
}
if (rk_window) {
XDestroyWindow(rk_display, rk_window);
rk_window = 0;