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authordec05eba <dec05eba@protonmail.com>2021-10-18 01:39:47 +0200
committerdec05eba <dec05eba@protonmail.com>2021-10-18 01:39:47 +0200
commitfc98ecc0fb9461688a5f82515248f56f507080f2 (patch)
tree9b4f43cc75a4a3c2577f7fd23054d38f819bec9f /src/window.c
parent6083534cd846eda51cc8664447ba1490837fd5e3 (diff)
Add set_position and set_color to rectangle,sprite and text
Diffstat (limited to 'src/window.c')
-rw-r--r--src/window.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/src/window.c b/src/window.c
deleted file mode 100644
index 8042ad3..0000000
--- a/src/window.c
+++ /dev/null
@@ -1,167 +0,0 @@
-#include "../include/mgl/window/window.h"
-#include "../include/mgl/mgl.h"
-#include <X11/Xutil.h>
-#include <errno.h>
-#include <stdio.h>
-
-/* TODO: check for glx swap control extension string (GLX_EXT_swap_control, etc) */
-static void set_vertical_sync_enabled(Window window, int enabled) {
- int result = 0;
- mgl_context *context = mgl_get_context();
-
- if(context->gl.glXSwapIntervalEXT) {
- context->gl.glXSwapIntervalEXT(context->connection, window, enabled ? 1 : 0);
- } else if(context->gl.glXSwapIntervalMESA) {
- result = context->gl.glXSwapIntervalMESA(enabled ? 1 : 0);
- } else if(context->gl.glXSwapIntervalSGI) {
- result = context->gl.glXSwapIntervalSGI(enabled ? 1 : 0);
- } else {
- static int warned = 0;
- if (!warned) {
- warned = 1;
- fprintf(stderr, "Warning: setting vertical sync not supported\n");
- }
- }
-
- if(result != 0)
- fprintf(stderr, "Warning: setting vertical sync failed\n");
-}
-
-static void mgl_window_on_resize(mgl_window *self, int width, int height) {
- mgl_context *context = mgl_get_context();
- self->size.x = width;
- self->size.y = height;
- context->gl.glViewport(0, 0, self->size.x, self->size.y);
- context->gl.glMatrixMode(GL_PROJECTION);
- context->gl.glLoadIdentity();
- context->gl.glOrtho(0.0, width, height, 0.0, -1.0, 1.0);
-}
-
-int mgl_window_create(mgl_window *self, const char *title, int width, int height, mgl_window_callback *callback) {
- return mgl_window_create_with_params(self, title, width, height, 0, callback);
-}
-
-int mgl_window_create_with_params(mgl_window *self, const char *title, int width, int height, unsigned long parent_window, mgl_window_callback *callback) {
- self->window = 0;
- self->callback = *callback;
-
- mgl_context *context = mgl_get_context();
-
- if(parent_window == 0)
- parent_window = DefaultRootWindow(context->connection);
-
- Colormap color_map = XCreateColormap(context->connection, DefaultRootWindow(context->connection), ((XVisualInfo*)context->visual_info)->visual, AllocNone);
- if(!color_map) {
- fprintf(stderr, "XCreateColormap failed\n");
- return -1;
- }
-
- XSetWindowAttributes window_attr;
- window_attr.colormap = color_map;
- window_attr.event_mask =
- KeyPressMask | KeyReleaseMask |
- ButtonPressMask | ButtonReleaseMask |
- PointerMotionMask | Button1MotionMask | Button2MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask | ButtonMotionMask |
- StructureNotifyMask;
- window_attr.bit_gravity = NorthWestGravity;
-
- self->window = XCreateWindow(context->connection, parent_window, 0, 0, width, height, 0,
- ((XVisualInfo*)context->visual_info)->depth, InputOutput, ((XVisualInfo*)context->visual_info)->visual,
- CWColormap | CWEventMask | CWBitGravity, &window_attr);
- XFreeColormap(context->connection, color_map);
- if(!self->window) {
- fprintf(stderr, "XCreateWindow failed\n");
- mgl_window_deinit(self);
- return -1;
- }
-
- XStoreName(context->connection, self->window, title);
- XMapWindow(context->connection, self->window);
- XFlush(context->connection);
-
- /* TODO: Switch current when rendering to another window, and set current to NULL when destroying the currently selected context */
- context->gl.glXMakeCurrent(context->connection, self->window, context->glx_context);
- set_vertical_sync_enabled(self->window, 1);
- context->gl.glEnable(GL_TEXTURE_2D);
- context->gl.glEnable(GL_BLEND);
- context->gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- XWindowAttributes gwa;
- gwa.width = 0;
- gwa.height = 0;
- XGetWindowAttributes(context->connection, self->window, &gwa);
-
- Window dummy_w;
- int dummy_i;
- unsigned int dummy_u;
- XQueryPointer(context->connection, self->window, &dummy_w, &dummy_w, &dummy_i, &dummy_i, &self->cursor_position.x, &self->cursor_position.y, &dummy_u);
-
- mgl_window_on_resize(self, gwa.width, gwa.height);
- mgl_window_draw(self);
- return 0;
-}
-
-void mgl_window_deinit(mgl_window *self) {
- mgl_context *context = mgl_get_context();
- if(self->window) {
- XDestroyWindow(context->connection, self->window);
- self->window = 0;
- }
-}
-
-static void mgl_window_on_receive_event(mgl_window *self, XEvent *xev) {
- switch(xev->type) {
- case ConfigureNotify: {
- while(XCheckTypedWindowEvent(mgl_get_context()->connection, self->window, ConfigureNotify, xev)) {}
- if(xev->xconfigure.width != self->size.x || xev->xconfigure.height != self->size.x) {
- mgl_window_on_resize(self, xev->xconfigure.width, xev->xconfigure.height);
- /*fprintf(stderr, "resize!\n");*/
- }
- break;
- }
- case MotionNotify: {
- while(XCheckTypedWindowEvent(mgl_get_context()->connection, self->window, MotionNotify, xev)) {}
- self->cursor_position.x = xev->xmotion.x;
- self->cursor_position.y = xev->xmotion.y;
- break;
- }
- }
-}
-
-void mgl_window_events_poll(mgl_window *self) {
- Display *display = mgl_get_context()->connection;
- const int x11_fd = ConnectionNumber(display);
-
- fd_set in_fds;
- FD_ZERO(&in_fds); /* TODO: Optimize */
- FD_SET(x11_fd, &in_fds);
-
- struct timeval tv;
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- /*tv.tv_sec = timeout_ms / 1000;
- tv.tv_usec = (timeout_ms * 1000) - (tv.tv_sec * 1000 * 1000);*/
-
- /* TODO: Is this needed when using XPending? */
- /*const int num_ready_fds = select(1 + x11_fd, &in_fds, NULL, NULL, &tv);*/
- const int num_ready_fds = 1;
- if(num_ready_fds > 0) {
- XEvent xev;
- while(self->window && XPending(display)) {
- XNextEvent(display, &xev);
- mgl_window_on_receive_event(self, &xev);
- }
- } else if(num_ready_fds == -1 && errno != EINTR) {
- /* TODO: */
- fprintf(stderr, "Disconnected!\n");
- }
-}
-
-void mgl_window_draw(mgl_window *self) {
- mgl_context *context = mgl_get_context();
- context->gl.glClear(GL_COLOR_BUFFER_BIT);
- context->gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- if(self->callback.draw)
- self->callback.draw(self, self->callback.userdata);
- context->gl.glXSwapBuffers(context->connection, self->window);
-}