linux_video FreeGlut handling base example ; added X11 part in video.h

include/video.h

@@ -2,11 +2,31 @@
 #define VIDEO_H
 
 /* X11 */
-void createWindow(int height, int width);
-void displayWindowText(const char *msg);
-void setWindowIcon(const char *iconPath);
+#ifdef __linux__
 
-/* OpenGL */
+#define KEY_ESCAPE   9
+#define KEY_SPACEBAR 65
+#define KEY_UP      111
+#define KEY_RIGHT   114
+#define KEY_DOWN    116
+#define KEY_LEFT    113
+
+static Display *d;
+static Window w;
+static XEvent e;
+static int s;
+static GC gc;
+
+void axCreateWindow(int width, int height);
+void axDrawRect(unsigned long color, int x, int y, int width, int height);
+void axClearWindow();
+int axGetNextEvent(XEvent *event);
+void axCloseWindow();
+int axGetNextEvent(XEvent *event)
+
+#endif
+
+/* FreeGLUT (cross-platform) */
 
 typedef struct Window {
    void (*create)(int width, int height, const char* title);
@@ -16,7 +36,7 @@ typedef struct Window {
    void (*drawText)(float x, float y, const char* text);
    void (*drawButton)(float x, float y, float width, float height, const char* label);
    void (*destroy)(void);
-   int (*isButtonClicked)(float x, float y, float width, float height)
+   int (*isButtonClicked)(float x, float y, float width, float height);
 } Window;
 
 Window* createWindowInstance(void);

main.c

@@ -2,31 +2,31 @@
 #include <GL/glut.h>
 #include "include/video.h"
 
-static const char* display_text = "Hello OpenGL!";
+static const char* display_text = "yOU ARE A KING !";
 
 int main(int argc, char** argv) {
     glutInit(&argc, argv);
     glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
 
     Window* window = createWindowInstance();
-    window->create(800, 600, "OpenGL Window");
+    window->create(800, 600, "Best game ever");
 
-    glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+    glClearColor(0.0f, 1.0f, 1.0f, 0.0f);
 
     while (!window->shouldClose()) {
         window->pollEvents();
         glClear(GL_COLOR_BUFFER_BIT);
 
-        // Draw button background in white
-        glColor3f(1.0f, 1.0f, 1.0f);
-        window->drawButton(-0.5f, -0.5f, 1.0f, 0.3f, "");
+        // Draw button background
+        glColor3f(0.0,0.0,0.0);
+        window->drawButton(-0.5f, -0.5f, 1.0f, 0.3f, "BUD");
 
-        // Draw button text in black
-        glColor3f(0.0f, 0.0f, 0.0f);
+        // Text
+        glColor3f(0.0f, 0.0f, 1.0f);
         window->drawText(-0.2f, -0.4f, "Click Me");
 
         // Draw header text in white
-        glColor3f(1.0f, 1.0f, 1.0f);
+        glColor3f(0.0f, 0.0f, 1.0f);
         window->drawText(-0.8f, 0.8f, display_text);
 
         if (window->isButtonClicked(-0.5f, -0.5f, 1.0f, 0.3f)) {

src/system/gnu_linux/linux_video.c

@@ -1,38 +1,69 @@
-//  NOTE: Any system running X11 can be handled by linux_video
-
-#ifdef __linux__
-
 #include "../../../include/video.h"
 #include <stdio.h>
 #include <stdlib.h>
+
+/* X11 */
+
+#ifdef __linux__
+
 #include <X11/Xlib.h>
 
 static Display *d;
 static Window w;
 static XEvent e;
 static int s;
+static GC gc;
 
-void createWindow(int width, int height) {
-
-  d = XOpenDisplay(NULL);
-  w = XCreateSimpleWindow(d, RootWindow(d,s), 0, 0, width, height, 1, 
-    BlackPixel(d,s), WhitePixel(d,s));
+void axCreateWindow(int width, int height) {
+    d = XOpenDisplay(NULL);
+    if (d == NULL) {
+        printf("Cannot open display\n");
+        exit(1);
+    }
 
-  s = DefaultScreen(d);
+    s = DefaultScreen(d);
+    w = XCreateSimpleWindow(d, RootWindow(d,s), 0, 0, width, height, 1,
+        BlackPixel(d,s), WhitePixel(d,s));
 
+    // Enable key press and expose events
+    XSelectInput(d, w, KeyPressMask | ExposureMask);
 
-  if (d == NULL) {
-    printf("Cannot open display");
-    exit(1);
-  }
-
-  XMapWindow(d, w);
-  XPending(d);
+    // Create graphics context
+    gc = DefaultGC(d, s);
+
+    XMapWindow(d, w);
+    XFlush(d);
 }
 
+void axDrawRect(unsigned long color, int x, int y, int width, int height) {
+    XSetForeground(d, gc, color);
+    XFillRectangle(d, w, gc, x, y, width, height);
+    XFlush(d);
+}
+
+void axClearWindow() {
+    XClearWindow(d, w);
+    XFlush(d);
+}
+
+int axGetNextEvent(XEvent *event) {
+    if (XPending(d)) {
+        XNextEvent(d, event);
+        return 1;
+    }
+    return 0;
+}
+
+void axCloseWindow() {
+    XCloseDisplay(d);
+}
 
 #endif
 
+/* FreeGLUT (cross-platform) */
+
+
+
 /*
 Copyright (C) 2024 Ellouze Adam <[email protected]>