Fixed subwindow drawing in grow. subwindow_scale was initialized to 0 when it should be 1...

xtt/lib/glow/gtk/glow_draw_gtk.h

@@ -54,12 +54,28 @@ class DrawWindGtk : public DrawWind {
 public:
   DrawWindGtk()
   {
+    subwindow_scale = 1;
     memset(clip_rectangle, 0, sizeof(clip_rectangle));
   }
   GdkWindow* window = NULL;
   GdkPixmap* buffer = NULL;
   GdkRectangle clip_rectangle[DRAW_CLIP_SIZE];
   GdkPixmap* background_pixmap = NULL;
+
+  DrawWind* copy() {
+    DrawWindGtk* tmp = new DrawWindGtk();
+    tmp->clip_on = this->clip_on;
+    tmp->clip_cnt = this->clip_cnt;
+    tmp->window = this->window;
+    tmp->buffer = this->buffer;
+    memcpy(tmp->clip_rectangle, this->clip_rectangle, sizeof(this->clip_rectangle));
+    tmp->background_pixmap = this->background_pixmap;
+    return tmp;
+  }
+
+  virtual void update_buffer(DrawWind* w) {
+    this->buffer = ((DrawWindGtk*)w)->buffer;
+  }
 };
 
 class GlowDrawGtk : public GlowDraw {

xtt/lib/glow/qt/glow_draw_qt.h

@@ -60,6 +60,7 @@ class DrawWindQt : public DrawWind {
 public:
   DrawWindQt()
   {
+    subwindow_scale = 1;
     memset(clip_rectangle, 0, sizeof(clip_rectangle));
   }
 
@@ -67,6 +68,17 @@ public:
   QImage* buffer = NULL;
   QRect clip_rectangle[DRAW_CLIP_SIZE];
   QPixmap* background_pixmap = NULL;
+
+  DrawWind* copy() {
+    DrawWindQt* tmp = new DrawWindQt();
+    tmp->clip_on = this->clip_on;
+    tmp->clip_cnt = this->clip_cnt;
+    tmp->window = this->window;
+    tmp->buffer = this->buffer;
+    memcpy(tmp->clip_rectangle, this->clip_rectangle, sizeof(this->clip_rectangle));
+    tmp->background_pixmap = this->background_pixmap;
+    return tmp;
+  }
 };
 
 class GlowCustomColorsQt;

xtt/lib/glow/src/glow_draw.h

@@ -60,6 +60,9 @@ public:
   double subwindow_scale; //!< Subwindow scale.
   int clip_on = 0;
   int clip_cnt = 0;
+
+  virtual DrawWind* copy() = 0;
+  virtual void update_buffer(DrawWind* w) {}
 };
 
 class GlowDraw {

xtt/lib/glow/src/glow_growctx.cpp

@@ -195,9 +195,12 @@ int GrowCtx::subw_event_handler(glow_eEvent event, int x, int y, int w, int h)
         || a[i]->type() == glow_eObjectType_GrowFolder
         || a[i]->type() == glow_eObjectType_GrowTable) {
       switch (event) {
+      case glow_eEvent_Exposure:
+        if (a[i]->type() == glow_eObjectType_GrowWindow)
+          a[i]->event_handler(event, 0, 0, 0, 0);
+        break;
       case glow_eEvent_Leave:
       case glow_eEvent_Enter:
-      case glow_eEvent_Exposure:
       case glow_eEvent_VisibilityUnobscured:
       case glow_eEvent_VisibilityObscured:
         break;

xtt/lib/glow/src/glow_growwindow.cpp

@@ -582,6 +582,9 @@ int GrowWindow::event_handler(glow_eEvent event, int x, int y, double fx, double
   int sts, v_sts, h_sts;
 
   switch (event) {
+  case glow_eEvent_Exposure:
+    window_ctx->mw->update_buffer(ctx->mw);
+    return 1;
   case glow_eEvent_Key_Right:
   case glow_eEvent_Key_Left:
   case glow_eEvent_Key_Up:
@@ -916,8 +919,8 @@ void GrowWindow::new_ctx()
       = new GrowCtx("WindowComponent", ctx->mw->zoom_factor_x * window_scale);
   window_ctx->gdraw = ctx->gdraw;
   window_ctx->is_subwindow = 1;
-  window_ctx->mw = ctx->mw;
-  window_ctx->navw = ctx->navw;
+  window_ctx->mw = ctx->mw->copy();
+  window_ctx->navw = ctx->navw->copy();
   window_ctx->userdata_save_callback = ctx->userdata_save_callback;
   window_ctx->userdata_open_callback = ctx->userdata_open_callback;
   window_ctx->userdata_copy_callback = ctx->userdata_copy_callback;