From 6bdcec81055df8ceea9e75c7b4fb7816fb2c1d56 Mon Sep 17 00:00:00 2001
From: Lea Anthony <lea.anthony@gmail.com>
Date: Mon, 28 Sep 2020 22:08:53 +1000
Subject: [PATCH] WIP: Basics of window drag

---
 v2/internal/ffenestri/ffenestri_darwin.c | 40 +++++++++++++++---------
 v2/test/frameless/main.go                |  3 +-
 2 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/v2/internal/ffenestri/ffenestri_darwin.c b/v2/internal/ffenestri/ffenestri_darwin.c
index 7f78973a8..14d8a783e 100644
--- a/v2/internal/ffenestri/ffenestri_darwin.c
+++ b/v2/internal/ffenestri/ffenestri_darwin.c
@@ -97,6 +97,7 @@ struct Application {
     id wkwebview;
     id manager;
     id config;
+    id mouseEvent;
 
     // Window Data
     const char *title;
@@ -213,7 +214,9 @@ void messageHandler(id self, SEL cmd, id contentController, id message) {
             Show(app); 
             msg(app->config, s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 0), str("suppressesIncrementalRendering"));
         });
-        
+    } else if( strcmp(name, "windowDrag") == 0 ) {
+        Debug("DRAGGING!!!!!");
+        msg(app->mainWindow, s("performWindowDragWithEvent:"), app->mouseEvent);
     } else {
         const char *m = (const char *)msg(msg(message, s("body")), s("UTF8String"));
         app->sendMessageToBackend(m);
@@ -571,6 +574,18 @@ void DisableFrame(struct Application *app)
    app->frame = 0;
 }
 
+void setMinMaxSize(struct Application *app)
+{
+    if (app->maxHeight > 0 && app->maxWidth > 0)
+    {
+        msg(app->mainWindow, s("setMaxSize:"), CGSizeMake(app->maxWidth, app->maxHeight));
+    }
+    if (app->minHeight > 0 && app->minWidth > 0)
+    {
+        msg(app->mainWindow, s("setMinSize:"), CGSizeMake(app->minWidth, app->minHeight));
+    }
+}
+
 void SetMinWindowSize(struct Application *app, int minWidth, int minHeight)
 {
     app->minWidth = minWidth;
@@ -628,18 +643,6 @@ void disableBoolConfig(id config, const char *setting) {
     msg(msg(config, s("preferences")), s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 0), str(setting));
 }
 
-void setMinMaxSize(struct Application *app)
-{
-    if (app->maxHeight > 0 && app->maxWidth > 0)
-    {
-        msg(app->mainWindow, s("setMaxSize:"), CGSizeMake(app->maxWidth, app->maxHeight));
-    }
-    if (app->minHeight > 0 && app->minWidth > 0)
-    {
-        msg(app->mainWindow, s("setMinSize:"), CGSizeMake(app->minWidth, app->minHeight));
-    }
-}
-
 void Run(void *applicationPointer, int argc, char **argv) {
     struct Application *app = (struct Application*) applicationPointer;
 
@@ -730,6 +733,15 @@ void Run(void *applicationPointer, int argc, char **argv) {
     if( app->frame == 0) {
         msg(mainWindow, s("setTitlebarAppearsTransparent:"), YES);
         msg(mainWindow, s("setTitleVisibility:"), NSWindowTitleHidden);
+
+        // Setup drag message handler
+        msg(manager, s("addScriptMessageHandler:name:"), delegate, str("windowDrag"));
+        // Add mouse event hooks
+        // msg(mainWindow, s("mouseDown:"), ^(id event) {
+        //     Debug("Got mouse down event!!!!");
+        //     app->mouseEvent = event;
+        // });
+
     } else {
         Debug("setTitlebarAppearsTransparent %d", app->titlebarAppearsTransparent ? YES :NO);
         msg(mainWindow, s("setTitlebarAppearsTransparent:"), app->titlebarAppearsTransparent ? YES : NO);
@@ -813,6 +825,4 @@ void Run(void *applicationPointer, int argc, char **argv) {
     free((void*)internalCode);
 }
 
-
-
 #endif
diff --git a/v2/test/frameless/main.go b/v2/test/frameless/main.go
index f20af3749..e8e897b1a 100644
--- a/v2/test/frameless/main.go
+++ b/v2/test/frameless/main.go
@@ -2,12 +2,13 @@ package main
 
 import (
 	wails "github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 func main() {
 
 	// Create application with options
-	app := wails.CreateAppWithOptions(&wails.Options{
+	app := wails.CreateAppWithOptions(&options.App{
 		Title:     "Frameless Demo",
 		Width:     1024,
 		Height:    768,