Initial Drop of the paint demo

demo/paint.py

@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import argparse
+import os
+import sys
+import time
+
+sys.path.append(os.path.join(sys.path[0],'..'))
+from TermTk import TTk, TTkGridLayout, TTkK, TTkWidget, TTkWindow, TTkColor
+
+parser = argparse.ArgumentParser()
+parser.add_argument('-f', help='Full Screen', action='store_true')
+args = parser.parse_args()
+
+fullscreen = args.f
+
+class PaintCanvas(TTkWidget):
+    __slots__ = ('_pressPos', '_dragPos', '_boxes')
+    def __init__(self, *args, **kwargs):
+        TTkWidget.__init__(self, *args, **kwargs)
+        self._name = kwargs.get('name' , 'PaintCanvas' )
+        self._pressPos = None
+        self._dragPos = None
+        self._boxes = []
+        self.setFocusPolicy(TTkK.ClickFocus)
+
+
+    def mousePressEvent(self, evt):
+        self._pressPos = (evt.x, evt.y)
+        self.update()
+        return True
+
+    def mouseReleaseEvent(self, evt) -> bool:
+        if self._pressPos and self._dragPos:
+            x = min(self._pressPos[0], self._dragPos[0])
+            y = min(self._pressPos[1], self._dragPos[1])
+            w = max(self._pressPos[0]-x, self._dragPos[0]-x)
+            h = max(self._pressPos[1]-y, self._dragPos[1]-y)
+            if w>0 and h>0:
+                self._boxes.append(((x,y),(w,h)))
+        self._pressPos = None
+        self._dragPos = None
+        self.update()
+        return True
+
+    def mouseDragEvent(self, evt) -> bool:
+        self._dragPos = (evt.x, evt.y)
+        self.update()
+        return True
+
+    def paintEvent(self):
+        for b in self._boxes:
+            self._canvas.drawBox(pos=b[0],size=b[1])
+        if self._pressPos and self._dragPos:
+            x = min(self._pressPos[0], self._dragPos[0])
+            y = min(self._pressPos[1], self._dragPos[1])
+            w = max(self._pressPos[0]-x, self._dragPos[0]-x)
+            h = max(self._pressPos[1]-y, self._dragPos[1]-y)
+            if w>0 and h>0:
+                self._canvas.drawBox(pos=(x,y),size=(w,h), color=TTkColor.fg('#ffff00'))
+
+root = TTk()
+if fullscreen:
+    paint = root
+    root.setLayout(TTkGridLayout())
+else:
+    root = TTk()
+    paint = TTkWindow(parent=root,pos = (1,1), size=(100,30), title="Paint...", border=True, layout=TTkGridLayout())
+
+PaintCanvas(parent=paint)
+
+root.mainloop()

docs/MDNotes/TODO.md

@@ -130,7 +130,7 @@
  - [ ] Events (Signal/Slots)
  - [x] Themes
  - [ ] Align Selected to center
- - [ ] Add Menu
+ - [x] Add Menu
  - [ ] Keyboard events
 #### Spin Box
  - [x] Basic Implementation
@@ -153,16 +153,16 @@
 #### Color Picker~/github/Varie/pyTermTk~/github/Varie/pyTermTk
  - [x] Basic Implementation
  - [x] Events (Signal/Slots)
- - [ ] Themes
+ - [x] Themes
  - [x] Use Spinbox for R G B
 #### Date Picker
  - [ ] Basic Implementation
  - [ ] Events (Signal/Slots)
  - [ ] Themes
 #### File Picker
- - [ ] Basic Implementation
- - [ ] Events (Signal/Slots)
- - [ ] Themes
+ - [x] Basic Implementation
+ - [x] Events (Signal/Slots)
+ - [x] Themes
 #### Yes/No Ok/Cancel Picker
  - [ ] Basic Implementation
  - [ ] Events (Signal/Slots)