Resolve "Resize GUI Window"

Also fixed some smaller things like port crashing when dragging, modifier for zooming and the lag when dragging initially. Closes #87 (closed)

b_asic/GUI/drag_button.py

@@ -5,8 +5,10 @@ This class creates a dragbutton which can be clicked, dragged and dropped.
 
 import os.path
 
-from PyQt5.QtWidgets import QPushButton
-from PyQt5.QtCore import Qt, QSize
+from properties_window import PropertiesWindow
+
+from PyQt5.QtWidgets import QPushButton, QMenu, QAction
+from PyQt5.QtCore import Qt, QSize, pyqtSignal
 from PyQt5.QtGui import QIcon
 
 from utils import decorate_class, handle_error
@@ -14,8 +16,11 @@ from utils import decorate_class, handle_error
 
 @decorate_class(handle_error)
 class DragButton(QPushButton):
-    def __init__(self, name, operation, operation_path_name, window, parent = None):
+    connectionRequested = pyqtSignal(QPushButton)
+    moved = pyqtSignal()
+    def __init__(self, name, operation, operation_path_name, is_show_name, window, parent = None):
         self.name = name
+        self.is_show_name = is_show_name
         self._window = window
         self.operation = operation
         self.operation_path_name = operation_path_name
@@ -25,11 +30,25 @@ class DragButton(QPushButton):
         self._mouse_move_pos = None
         super(DragButton, self).__init__(self._window)
 
+    def contextMenuEvent(self, event):
+        menu = QMenu()
+        properties = QAction("Properties")
+        menu.addAction(properties)
+        properties.triggered.connect(self.show_properties_window)
+        menu.exec_(self.cursor().pos())
+
+    def show_properties_window(self, event):
+        self.properties_window = PropertiesWindow(self, self._window)
+        self.properties_window.show()
+
+    def add_label(self, label):
+        self.label = label
+
     def mousePressEvent(self, event):
 
         if event.button() == Qt.LeftButton:
-            self._mouse_press_pos = event.globalPos()
-            self._mouse_move_pos = event.globalPos()
+            self._mouse_press_pos = event.pos()
+            self._mouse_move_pos = event.pos()
 
             for signal in self._window.signalList:
                 signal.update()
@@ -38,43 +57,34 @@ class DragButton(QPushButton):
             if self.clicked == 1:
                 self.pressed = True
                 self.setStyleSheet("background-color: grey; border-style: solid;\
-                border-color: black; border-width: 2px; border-radius: 10px")
+                border-color: black; border-width: 2px")
                 path_to_image = os.path.join('operation_icons', self.operation_path_name + '_grey.png')
                 self.setIcon(QIcon(path_to_image))
-                self.setIconSize(QSize(50, 50))
+                self.setIconSize(QSize(55, 55))
                 self._window.pressed_button.append(self)
 
             elif self.clicked == 2:
                 self.clicked = 0
                 self.pressed = False
                 self.setStyleSheet("background-color: white; border-style: solid;\
-                border-color: black; border-width: 2px; border-radius: 10px")
+                border-color: black; border-width: 2px")
                 path_to_image = os.path.join('operation_icons', self.operation_path_name + '.png')
                 self.setIcon(QIcon(path_to_image))
-                self.setIconSize(QSize(50, 50))
+                self.setIconSize(QSize(55, 55))
                 self._window.pressed_button.remove(self)
 
         super(DragButton, self).mousePressEvent(event)
 
     def mouseMoveEvent(self, event):
         if event.buttons() == Qt.LeftButton:
-            cur_pos = self.mapToGlobal(self.pos())
-            global_pos = event.globalPos()
-            if self._mouse_move_pos is None:
-                self._mouse_move_pos = global_pos
-
-            diff = global_pos - self._mouse_move_pos
-            new_pos = self.mapFromGlobal(cur_pos + diff)
-            self.move(new_pos)
-
-            self._mouse_move_pos = global_pos
+            self.move(self.mapToParent(event.pos() - self._mouse_press_pos))
 
         self._window.update()
         super(DragButton, self).mouseMoveEvent(event)
 
     def mouseReleaseEvent(self, event):
         if self._mouse_press_pos is not None:
-            moved = event.globalPos() - self._mouse_press_pos
+            moved = event.pos() - self._mouse_press_pos
             if moved.manhattanLength() > 3:
                 event.ignore()
                 return