ZWLR example refactor

.gitignore

@@ -102,3 +102,5 @@ tests/triangle-vulkan
 tests/window
 tests/windows
 
+#local test file
+run

examples/wayland-widget.c

@@ -7,78 +7,39 @@
 #include <GLFW/glfw3.h>
 #include <GLFW/glfw3native.h>
 
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
 
+#define NK_IMPLEMENTATION
+#define NK_INCLUDE_FIXED_TYPES
+#define NK_INCLUDE_FONT_BAKING
+#define NK_INCLUDE_DEFAULT_FONT
+#define NK_INCLUDE_DEFAULT_ALLOCATOR
+#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
+#define NK_INCLUDE_STANDARD_VARARGS
+#define NK_BUTTON_TRIGGER_ON_RELEASE
+#include <nuklear.h>
+
+#define NK_GLFW_GL2_IMPLEMENTATION
+#include <nuklear_glfw_gl2.h>
+
+
 
 #define WIN_HEIGHT 150
 
 
+void nk_process(GLFWwindow*, struct nk_context*, float, float);
+
+
 static void GLFW_DebugCallback(int err_code, const char* description)
 {
     printf("GLFW error: %s\n", description);
 }
 
-
 static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
-{
-    static bool onTopLayer  = true;
-    static bool onTopAnchor = true;
+    { printf("Captured %i\n", key); }
 
-    if (action == GLFW_PRESS)
-    {
-        printf("Grabbing...\n");
-        switch (key)
-        {
-            case GLFW_KEY_RIGHT:
-            case GLFW_KEY_LEFT :
-            {
-                onTopLayer = !onTopLayer;
-
-                if (onTopLayer)
-                {
-                    printf("Send to top\n");
-                    glfwWaylandZwlrSetLayer(window, GLFW_WAYLAND_ZWLR_LAYER_TOP);
-                }
-                else
-                {
-                    printf("Send to bottom\n");
-                    glfwWaylandZwlrSetLayer(window, GLFW_WAYLAND_ZWLR_LAYER_BOTTOM);
-                }
-
-                break;
-            }
-
-            case GLFW_KEY_UP:
-            case GLFW_KEY_DOWN:
-            {
-                onTopAnchor = !onTopAnchor;
-
-                if (onTopAnchor)
-                {
-                    printf("Stick to top\n");
-                    glfwWaylandZwlrSetAnchor(window, GLFW_WAYLAND_ZWLR_ANCHOR_TOP);
-
-                }
-                else
-                {
-                    printf("Stick to bottom\n");
-                    glfwWaylandZwlrSetAnchor(window, GLFW_WAYLAND_ZWLR_ANCHOR_BOTTOM);
-                }
-                break;
-            }
-        }
-    }
-}
-
-
-void mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
-{
-    if (action == GLFW_RELEASE)
-        printf("click\n");
-}
 
 
 int main(int argc, char** argv)
@@ -89,40 +50,149 @@ int main(int argc, char** argv)
 
     glfwWindowHint(GLFW_WAYLAND_USE_ZWLR, GLFW_WAYLAND_ZWLR_LAYER_TOP);
 
-    int monitorX_pos, monitorY_pos;
-    int monitorWidth, monitorHeight;
-    GLFWmonitor* primary_monitor = glfwGetPrimaryMonitor();
-    glfwGetMonitorWorkarea(primary_monitor, &monitorX_pos, &monitorY_pos, &monitorWidth, &monitorHeight);
-
-                                        // v-- 0 not allowed by glfw api, for avoiding mess with internal api, you are forced..
-                                        // v   ..to request monitor size and manually handle window size
-    GLFWwindow* window = glfwCreateWindow(300, WIN_HEIGHT, "Don't Care", NULL, NULL);
+    GLFWwindow* window = glfwCreateWindow(600, 400, "Don't Care", NULL, NULL);
     if (!window) return 1;
 
-    glfwSetWindowSize(window, monitorWidth, WIN_HEIGHT); // just testing
     //glfwWaylandZwlrSetExclusiveZone(window, WIN_HEIGHT + 50); // try to play with
     //glfwWaylandZwlrSetMargin(window, 10, 10, 10, 10);
 
-    glfwMakeContextCurrent    (window);
-    gladLoadGL(glfwGetProcAddress);
-    glfwSetMouseButtonCallback(window, mouse_button_callback   );
-    //glfwSetCursorPosCallback  (window, cursor_position_callback);
-    glfwSetKeyCallback        (window, key_callback            );
-    //glfwSetWindowFocusCallback(window, window_focus_callback)  ;
+    glfwMakeContextCurrent(window);
+    glfwSetKeyCallback    (window, key_callback);
+    gladLoadGL            (glfwGetProcAddress);
 
 
-    glClearColor(0.3f, 0.2f, 0.3f, 1.0f);
+    struct nk_context* nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
 
+    struct nk_font_atlas* atlas;
+    nk_glfw3_font_stash_begin(&atlas);
+    nk_glfw3_font_stash_end();
+
+
+    int width, height;
     while (!glfwWindowShouldClose(window))
     {
-        glfwSwapBuffers(window);
-        glfwPollEvents();
+        glfwGetWindowSize(window, &width, &height);
+
+        struct nk_rect area = nk_rect(0.f, 0.f, (float) width, (float) height);
+        nk_window_set_bounds(nk, "main", area);
+
+        nk_glfw3_new_frame();
+        if (nk_begin(nk, "main", area, 0))
+            nk_process(window, nk, width, height);
+
+        nk_end(nk);
 
         glClear(GL_COLOR_BUFFER_BIT);
+        nk_glfw3_render(NK_ANTI_ALIASING_ON);
+
+        glfwSwapBuffers(window);
+        glfwWaitEvents();
     }
 
+    nk_glfw3_shutdown();
+    glfwTerminate();
+
     return 0;
 }
 
 
+void nk_process(GLFWwindow* window, struct nk_context* ctx, float width, float height)
+{
+    nk_flags events;
+    const nk_flags flags = NK_EDIT_FIELD |
+                           NK_EDIT_SIG_ENTER |
+                           NK_EDIT_GOTO_END_ON_ACTIVATE;
+
+    nk_layout_row_dynamic(ctx, 30, 4);
+    nk_spacing(ctx, 3);
+
+    if (nk_button_label(ctx, "Exit"))
+    {
+        glfwSetWindowShouldClose(window, GLFW_TRUE);
+    }
+
+    nk_layout_row_dynamic(ctx, (height / 3), 1);
+    nk_layout_row_dynamic(ctx, 30, 2);
+
+    {
+        static char exclusiveBuff[12];
+
+        nk_label(ctx, "Exclusive zone (anchor required):", NK_TEXT_LEFT);
+        events = nk_edit_string_zero_terminated(ctx, flags, exclusiveBuff,
+                                                sizeof(exclusiveBuff),
+                                                nk_filter_decimal);
+        if (events & NK_EDIT_COMMITED)
+        {
+            int zone = atoi(exclusiveBuff);
+            glfwWaylandZwlrSetExclusiveZone(window, zone);
+        }
+    }
+    {
+        static char exclusiveBuff[12];
+
+        nk_label(ctx, "Margin all edges (anchor required):", NK_TEXT_LEFT);
+        events = nk_edit_string_zero_terminated(ctx, flags, exclusiveBuff,
+                                                sizeof(exclusiveBuff),
+                                                nk_filter_decimal);
+        if (events & NK_EDIT_COMMITED)
+        {
+            int margin = atoi(exclusiveBuff);
+            glfwWaylandZwlrSetMargin(window, margin, margin, margin, margin);
+        }
+    }
+
+    nk_layout_row_dynamic(ctx, 30, 4);
+    nk_spacing(ctx, 1);
+
+    {
+        static int         pickedLayer  = 0;
+        static const char* layerItems[] = {
+            "Layer Top",    "Layer Overlay",
+            "Layer Bottom", "Layer Background"
+        };
+        static const int layerFlags[]   = {
+            GLFW_WAYLAND_ZWLR_LAYER_TOP,    GLFW_WAYLAND_ZWLR_LAYER_OVERLAY,
+            GLFW_WAYLAND_ZWLR_LAYER_BOTTOM, GLFW_WAYLAND_ZWLR_LAYER_BACKGROUND
+        };
+        if (nk_combo_begin_label(ctx, layerItems[pickedLayer], nk_vec2(200, 200)))
+        {
+            nk_layout_row_dynamic(ctx, 30, 1);
+            for (int i = 0; i < 4; i++)
+            {
+                if (nk_combo_item_label(ctx, layerItems[i], NK_TEXT_LEFT))
+                {
+                    pickedLayer = i;
+                    glfwWaylandZwlrSetLayer(window, layerFlags[i]);
+                }
+            }
+            nk_combo_end(ctx);
+        }
+    }
+    {
+        static int         pickedAnchor  = 0;
+        static const char* anchorItems[] = {
+            "Anchor Top" , "Anchor Bottom",
+            "Anchor Left", "Anchor Right"
+        };
+        static const int anchorFlags[]   = {
+            GLFW_WAYLAND_ZWLR_ANCHOR_TOP,  GLFW_WAYLAND_ZWLR_ANCHOR_BOTTOM,
+            GLFW_WAYLAND_ZWLR_ANCHOR_LEFT, GLFW_WAYLAND_ZWLR_ANCHOR_RIGHT
+        };
+        if (nk_combo_begin_label(ctx, anchorItems[pickedAnchor], nk_vec2(200, 200)))
+        {
+            nk_layout_row_dynamic(ctx, 30, 1);
+            for (int i = 0; i < 4; i++)
+            {
+                if (nk_combo_item_label(ctx, anchorItems[i], NK_TEXT_LEFT))
+                {
+                    pickedAnchor = i;
+                    glfwWaylandZwlrSetAnchor(window, anchorFlags[i]); // Flags can be combined, but..
+                }                                                     // ..it's pain in ass to implement here
+            }
+            nk_combo_end(ctx);
+        }
+    }
+}
+
+
 

include/GLFW/glfw3.h

@@ -1136,7 +1136,7 @@ extern "C" {
  */
 #define GLFW_WAYLAND_APP_ID         0x00026001
 
-#define GLFW_WAYLAND_ZWLR_LAYER_BACKGROUD 0x00026002
+#define GLFW_WAYLAND_ZWLR_LAYER_BACKGROUND 0x00026002
 #define GLFW_WAYLAND_ZWLR_LAYER_BOTTOM     0x00026003
 #define GLFW_WAYLAND_ZWLR_LAYER_TOP        0x00026004
 #define GLFW_WAYLAND_ZWLR_LAYER_OVERLAY    0x00026005
@@ -1149,7 +1149,7 @@ extern "C" {
  *  [window hint](@ref GLFW_WAYLAND_USE_ZWLR_hint).
  *
  *  Available options are:
- *    - GLFW_WAYLAND_ZWLR_BACKGROUD
+ *    - GLFW_WAYLAND_ZWLR_BACKGROUND
  *    - GLFW_WAYLAND_ZWLR_BOTTOM
  *    - GLFW_WAYLAND_ZWLR_TOP
  *    - GLFW_WAYLAND_ZWLR_OVERLAY

src/wl_window.c

@@ -1198,11 +1198,8 @@ static bool createZwlrShellObjects(_GLFWwindow* window)
 
 static GLFWbool createShellObjects(_GLFWwindow* window)
 {
-    if (_glfw.hints.window.wl.useZWLR)
-    {
-        if (createZwlrShellObjects(window))
-            return GLFW_TRUE;
-    }
+    if (_glfw.hints.window.wl.useZWLR)         // I can't imagine why fallback to xdg needed..
+        return createZwlrShellObjects(window); // ..if user explicitly request zwlr.
 
     if (_glfw.wl.libdecor.context)
     {
@@ -3470,7 +3467,7 @@ GLFWAPI void glfwWaylandZwlrSetLayer(GLFWwindow* handle, int layer)
 
     switch (layer)
     {
-        case GLFW_WAYLAND_ZWLR_LAYER_BACKGROUD: layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; break;
+        case GLFW_WAYLAND_ZWLR_LAYER_BACKGROUND: layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; break;
         case GLFW_WAYLAND_ZWLR_LAYER_BOTTOM:     layer = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;     break;
         case GLFW_WAYLAND_ZWLR_LAYER_TOP:        layer = ZWLR_LAYER_SHELL_V1_LAYER_TOP;        break;
         case GLFW_WAYLAND_ZWLR_LAYER_OVERLAY:    layer = ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY;    break;