From a174f673343ec97bb69fce749e2a64b067475cda Mon Sep 17 00:00:00 2001
From: FellippeHeitor <fellippeheitor@gmail.com>
Date: Sat, 17 Mar 2018 00:08:12 -0300
Subject: [PATCH] Improved detection of changes by form resizing.

---
 InForm/UiEditor.bas        |  6 ++++++
 InForm/UiEditorPreview.bas | 24 ++++++++++++++++++------
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/InForm/UiEditor.bas b/InForm/UiEditor.bas
index 5429aaa..ca4f351 100644
--- a/InForm/UiEditor.bas
+++ b/InForm/UiEditor.bas
@@ -600,6 +600,12 @@ SUB __UI_BeforeUpdateDisplay
         ELSEIF CVI(b$) = -6 THEN
             'User attempted to load an invalid icon file
             Answer = MessageBox("Only .ico files are accepted.", "", MsgBox_OkOnly + MsgBox_Exclamation)
+        ELSEIF CVI(b$) = -7 THEN
+            'A new empty form has just been created or a file has just finished loading from disk
+            Edited = False: echo "reset Edited with signal -7"
+        ELSEIF CVI(b$) = -8 THEN
+            'Preview form was resized
+            Edited = True: echo "-8 PreviewForm was resized
         END IF
         b$ = MKI$(0): PUT #UiEditorFile, OffsetNewDataFromPreview, b$
 
diff --git a/InForm/UiEditorPreview.bas b/InForm/UiEditorPreview.bas
index 6b1be28..0821f79 100644
--- a/InForm/UiEditorPreview.bas
+++ b/InForm/UiEditorPreview.bas
@@ -23,6 +23,7 @@ DIM SHARED UiPreviewPID AS LONG
 DIM SHARED ExeIcon AS LONG
 DIM SHARED AutoNameControls AS _BYTE
 DIM SHARED UndoPointer AS INTEGER, TotalUndoImages AS INTEGER, MidUndo AS _BYTE
+DIM SHARED IsCreating AS _BYTE
 
 REDIM SHARED QB64KEYWORDS(0) AS STRING
 READ_KEYWORDS
@@ -64,15 +65,11 @@ $END IF
 
 'Event procedures: ---------------------------------------------------------------
 SUB __UI_Click (id AS LONG)
-    DIM b$
-    b$ = MKI$(-1)
-    SendData b$, OffsetNewDataFromPreview
+    SendSignal -1
 END SUB
 
 SUB __UI_MouseEnter (id AS LONG)
-    DIM b$
-    b$ = MKI$(-3)
-    SendData b$, OffsetNewDataFromPreview
+    SendSignal -3
 END SUB
 
 SUB __UI_MouseLeave (id AS LONG)
@@ -265,6 +262,7 @@ SUB __UI_BeforeUpdateDisplay
             _SCREENSHOW
         ELSEIF TempValue = -4 THEN
             'Load an existing file
+            IsCreating = True
             b$ = SPACE$(2): GET #UiEditorFile, OffsetPropertyValue, b$
             b$ = SPACE$(CVI(b$)): GET #UiEditorFile, , b$
             DIM FileToLoad AS INTEGER
@@ -287,8 +285,10 @@ SUB __UI_BeforeUpdateDisplay
             END IF
             UndoPointer = 0
             TotalUndoImages = 0
+            SendSignal -7 'Form just loaded
         ELSEIF TempValue = -5 THEN
             'Reset request (new form)
+            IsCreating = True
             a$ = Unpack$(EmptyForm$)
 
             FileToLoad = FREEFILE
@@ -299,6 +299,7 @@ SUB __UI_BeforeUpdateDisplay
             LoadPreview
             UndoPointer = 0
             TotalUndoImages = 0
+            SendSignal -7 'New form created
         ELSEIF TempValue = -1 THEN
             DIM FloatValue AS _FLOAT
             'Editor sent property value
@@ -838,7 +839,18 @@ SUB __UI_BeforeInit
 END SUB
 
 SUB __UI_FormResized
+    STATIC TimesResized AS INTEGER
 
+    IF IsCreating THEN TimesResized = 0
+
+    TimesResized = TimesResized + 1
+
+    IF TimesResized > 5 THEN
+        'Manually resizing a form triggers this event a few times;
+        'Loading a form triggers it 2 or three times usually.
+        TimesResized = 0
+        SendSignal -8
+    END IF
 END SUB
 
 SUB __UI_OnLoad