resizeable window

3 files changed, 106 insertions, 7 deletions

diff --git a/src/main/python/main.py b/src/main/python/main.py
index 18c8d38..88fc48b 100644
--- a/src/main/python/main.py
+++ b/src/main/python/main.py
@@ -1,12 +1,79 @@
 from fbs_runtime.application_context.PyQt5 import ApplicationContext
-from PyQt5.QtWidgets import QMainWindow
-
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import (QBrush, QColor, QImage, QPainter,
+                         QPalette)
+from PyQt5.QtWidgets import (QApplication, QComboBox, QDialog, QGraphicsScene,
+                             QGraphicsView, QGridLayout, QHBoxLayout, QLabel,
+                             QMessageBox, QPushButton, QStyleFactory)
+from utils.sizes import paperSizes
 import sys
+class appWindow(QDialog):
+    def __init__(self, parent=None):
+        super(appWindow, self).__init__(parent)
+        
+        self._ppi = 72
+        self._canvasSize = "A0"
+        self.resize(1280, 720)
+           
+        
+        self.painter = QGraphicsScene(0, 0, *paperSizes[self.canvasSize][self.ppi])
+        self.painter.setBackgroundBrush(QBrush(Qt.white))
+        
+        self.createToolbar()
+        self.canvas = QGraphicsView(self.painter)
+        mainLayout = QGridLayout()
+        mainLayout.addLayout(self.topLayout, 0, 0, 1, -1)
+        mainLayout.addWidget(self.canvas, 1, 0, -1, -1)
+        self.setLayout(mainLayout)
+        
+    def createToolbar(self):
+        self.topLayout = QHBoxLayout()
+        sizeComboBox = QComboBox()
+        sizeComboBox.addItems([f'A{i}' for i in range(5)])
+        sizeComboBox.activated[str].connect(self.setCanvasSize)
+        sizeLabel = QLabel("Canvas Size")
+        sizeLabel.setBuddy(sizeComboBox)
+        self.topLayout.addWidget(sizeLabel)
+        self.topLayout.addWidget(sizeComboBox)
+        
+        ppiComboBox = QComboBox()
+        ppiComboBox.addItems(["72", "96", "150", "300"])
+        ppiComboBox.activated[str].connect(self.setCanvasPPI)
+        ppiLabel = QLabel("Canvas ppi")
+        ppiLabel.setBuddy(ppiComboBox)
+        self.topLayout.addWidget(ppiLabel)
+        self.topLayout.addWidget(ppiComboBox)
+    
+    def setCanvasSize(self, size):
+        self.canvasSize = size
+    
+    def setCanvasPPI(self, ppi):  
+        self.ppi = ppi
+    
+    @property
+    def canvasSize(self):
+        return self._canvasSize
+    @property
+    def ppi(self):
+        return self._ppi
+    
+    @canvasSize.setter
+    def canvasSize(self, size):
+        self._canvasSize = size
+        if self.painter:
+            self.painter.setSceneRect(0, 0, *paperSizes[self.canvasSize][self.ppi])
+        print(*paperSizes[self.canvasSize][self.ppi]) 
 
+    @ppi.setter
+    def ppi(self, ppi):
+        self._ppi = int(ppi)
+        if self.painter:
+            self.painter.setSceneRect(0, 0, *paperSizes[self.canvasSize][self.ppi])
+        print(*paperSizes[self.canvasSize][self.ppi]) 
+           
 if __name__ == '__main__':
-    appctxt = ApplicationContext()       # 1. Instantiate ApplicationContext
-    window = QMainWindow()
-    window.resize(250, 150)
-    window.show()
-    exit_code = appctxt.app.exec_()      # 2. Invoke appctxt.app.exec_()
+    app = ApplicationContext()       # 1. Instantiate ApplicationContext
+    test = appWindow()
+    test.show()
+    exit_code = app.app.exec_()      # 2. Invoke appctxt.app.exec_()
     sys.exit(exit_code)
\ No newline at end of file
diff --git a/src/main/python/utils/__init__.py b/src/main/python/utils/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/main/python/utils/__init__.py
diff --git a/src/main/python/utils/sizes.py b/src/main/python/utils/sizes.py
new file mode 100644
index 0000000..fc444cf
--- /dev/null
+++ b/src/main/python/utils/sizes.py
@@ -0,0 +1,32 @@
+paperSizes = {
+    "A0": {
+        72: {2384, 3370},
+        96: {3179, 4494},
+        150: {4967, 7022},
+        300: {9933, 14043}
+    },
+    "A1": {
+        72: {1684, 2384},
+        96: {2245, 3179},
+        150: {3508, 4967},
+        300: {7016, 9933}
+    },
+    "A2": {
+        72: {1191, 1684},
+        96: {1587, 2245},
+        150: {2480, 3508},
+        300: {4960, 7016}
+    },
+    "A3": {
+        72: {842, 1191},
+        96: {1123, 1587},
+        150: {1754, 2480},
+        300: {3508, 4960}
+    },
+    "A4": {
+        72: {595, 842},
+        96: {794, 1123},
+        150: {1240, 1754},
+        300: {2480, 3508}
+    }
+}
\ No newline at end of file