From f89d23c2d0075dbc8bfaf589634bd75cfad3566c Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Fri, 29 Sep 2023 20:56:59 +0200
Subject: Remove unused cursor code

---
 src/cursor.c | 135 -----------------------------------------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 src/cursor.c

(limited to 'src')

diff --git a/src/cursor.c b/src/cursor.c
deleted file mode 100644
index 9212b55..0000000
--- a/src/cursor.c
+++ /dev/null
@@ -1,135 +0,0 @@
-#include "../include/cursor.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#include <X11/extensions/Xfixes.h>
-
-static bool gsr_cursor_set_from_x11_cursor_image(gsr_cursor *self, XFixesCursorImage *x11_cursor_image) {
-    uint8_t *cursor_data = NULL;
-    uint8_t *out = NULL;
-
-    if(!x11_cursor_image)
-        goto err;
-        
-    if(!x11_cursor_image->pixels)
-        goto err;
-
-    self->hotspot.x = x11_cursor_image->xhot;
-    self->hotspot.y = x11_cursor_image->yhot;
-    self->egl->glBindTexture(GL_TEXTURE_2D, self->texture_id);
-
-    self->size.x = x11_cursor_image->width;
-    self->size.y = x11_cursor_image->height;
-    const unsigned long *pixels = x11_cursor_image->pixels;
-    cursor_data = malloc(self->size.x * self->size.y * 4);
-    if(!cursor_data)
-        goto err;
-    out = cursor_data;
-    /* Un-premultiply alpha */
-    for(int y = 0; y < self->size.y; ++y) {
-        for(int x = 0; x < self->size.x; ++x) {
-            uint32_t pixel = *pixels++;
-            uint8_t *in = (uint8_t*)&pixel;
-            uint8_t alpha = in[3];
-            if(alpha == 0)
-                alpha = 1;
-
-            *out++ = (unsigned)*in++ * 255/alpha;
-            *out++ = (unsigned)*in++ * 255/alpha;
-            *out++ = (unsigned)*in++ * 255/alpha;
-            *out++ = *in++;
-        }
-    }
-
-    self->egl->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, self->size.x, self->size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, cursor_data);
-    free(cursor_data);
-
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-    XFree(x11_cursor_image);
-    return true;
-
-    err:
-    self->egl->glBindTexture(GL_TEXTURE_2D, 0);
-    if(x11_cursor_image)
-        XFree(x11_cursor_image);
-    return false;
-}
-
-int gsr_cursor_init(gsr_cursor *self, gsr_egl *egl, Display *display) {
-    int x_fixes_error_base = 0;
-
-    assert(egl);
-    assert(display);
-    memset(self, 0, sizeof(*self));
-    self->egl = egl;
-    self->display = display;
-
-    self->x_fixes_event_base = 0;
-    if(!XFixesQueryExtension(self->display, &self->x_fixes_event_base, &x_fixes_error_base)) {
-        fprintf(stderr, "gsr error: gsr_cursor_init: your X11 server is missing the XFixes extension\n");
-        gsr_cursor_deinit(self);
-        return -1;
-    }
-
-    self->egl->glGenTextures(1, &self->texture_id);
-    return 0;
-}
-
-void gsr_cursor_deinit(gsr_cursor *self) {
-    if(!self->egl)
-        return;
-
-    if(self->texture_id) {
-        self->egl->glDeleteTextures(1, &self->texture_id);
-        self->texture_id = 0;
-    }
-
-    if(self->window) {
-        XFixesSelectCursorInput(self->display, self->window, 0);
-        self->window = None;
-    }
-
-    self->display = NULL;
-    self->egl = NULL;
-}
-
-int gsr_cursor_change_window_target(gsr_cursor *self, Window window) {
-    if(self->window)
-        XFixesSelectCursorInput(self->display, self->window, 0);
-
-    XFixesSelectCursorInput(self->display, window, XFixesDisplayCursorNotifyMask);
-    self->window = window;
-    self->cursor_image_set = false;
-    return 0;
-}
-
-void gsr_cursor_update(gsr_cursor *self, XEvent *xev) {
-    if(xev->type == self->x_fixes_event_base + XFixesCursorNotify) {
-        XFixesCursorNotifyEvent *cursor_notify_event = (XFixesCursorNotifyEvent*)xev;
-        if(cursor_notify_event->subtype == XFixesDisplayCursorNotify && cursor_notify_event->window == self->window) {
-            self->cursor_image_set = true;
-            gsr_cursor_set_from_x11_cursor_image(self, XFixesGetCursorImage(self->display));
-        }
-    }
-
-    if(!self->cursor_image_set && self->window) {
-        self->cursor_image_set = true;
-        gsr_cursor_set_from_x11_cursor_image(self, XFixesGetCursorImage(self->display));
-    }
-}
-
-void gsr_cursor_tick(gsr_cursor *self) {
-    /* TODO: Use XInput2 instead. However that doesn't work when the pointer is grabbed. Maybe check for focused window change and XSelectInput PointerMask */
-    Window dummy_window;
-    int dummy_i;
-    unsigned int dummy_u;
-    XQueryPointer(self->display, DefaultRootWindow(self->display), &dummy_window, &dummy_window, &dummy_i, &dummy_i, &self->position.x, &self->position.y, &dummy_u);
-}
-- 
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