From 53fa9a6191c2991c763fbbc9ed5fb1cd6cb65f62 Mon Sep 17 00:00:00 2001
From: Jan Grewe <jan.grewe@g-node.org>
Date: Wed, 29 Jan 2025 16:00:46 +0100
Subject: [PATCH] more fwd and back control buttons

---
 fixtracks/widgets/tracks.py | 78 +++++++++++++++++++++++++------------
 1 file changed, 54 insertions(+), 24 deletions(-)

diff --git a/fixtracks/widgets/tracks.py b/fixtracks/widgets/tracks.py
index 8472357..ff6e52c 100644
--- a/fixtracks/widgets/tracks.py
+++ b/fixtracks/widgets/tracks.py
@@ -85,8 +85,8 @@ class FilterProxyModel(QSortFilterProxyModel):
 
 
 class SelectionControls(QWidget):
-    next = Signal()
-    previous = Signal()
+    fwd = Signal(float)
+    back = Signal(float)
     assignOne = Signal()
     assignTwo = Signal()
     assignOther = Signal()
@@ -96,21 +96,45 @@ class SelectionControls(QWidget):
         font = QFont()
         font.setBold(True)
         font.setPointSize(10)
-
-        previousBtn = QPushButton("previous")
-        previousBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
-        previousBtn.setToolTip("Go back to previous window (right-arrow)")
-        previousBtn.setEnabled(False)
-        previousBtn.setShortcut(Qt.Key.Key_Right)
-        previousBtn.clicked.connect(self.on_Previous)
-        previousBtn.setFont(font)
-        nextBtn = QPushButton("next")
-        nextBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
-        nextBtn.setToolTip("Proceed to next window (left-arrow)")
-        nextBtn.setEnabled(False)
-        nextBtn.clicked.connect(self.on_Next)
-        nextBtn.setShortcut(Qt.Key.Key_Left)
-        nextBtn.setFont(font)
+        fullstep = 1.0
+        halfstep = 0.5
+        quarterstep = 0.25
+
+        backBtn = QPushButton("|<<")
+        backBtn.setFont(font)
+        backBtn.setShortcut(Qt.Key.Key_Left)
+        backBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        backBtn.setToolTip(f"Go back to previous window ({backBtn.shortcut().toString()})")
+        backBtn.clicked.connect(lambda: self.on_Back(fullstep))
+        halfstepBackBtn = QPushButton("<<")
+        halfstepBackBtn.setFont(font)
+        halfstepBackBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        halfstepBackBtn.setShortcut(Qt.KeyboardModifier.AltModifier + Qt.Key.Key_Left)
+        halfstepBackBtn.setToolTip(f"Go back by half a window ({halfstepBackBtn.shortcut().toString()})")
+        halfstepBackBtn.clicked.connect(lambda: self.on_Back(halfstep))
+        quarterstepBackBtn = QPushButton("<")
+        quarterstepBackBtn.setFont(font)
+        quarterstepBackBtn.setShortcut(Qt.KeyboardModifier.ShiftModifier + Qt.Key.Key_Left)
+        quarterstepBackBtn.setToolTip(f"Go back by a quarter window ({quarterstepBackBtn.shortcut().toString()})")
+        quarterstepBackBtn.clicked.connect(lambda: self.on_Fwd(quarterstep))
+
+        fwdBtn = QPushButton(">>|")
+        fwdBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        fwdBtn.setShortcut(Qt.Key.Key_Right)
+        fwdBtn.setFont(font)
+        fwdBtn.setToolTip(f"Proceed to next window ({fwdBtn.shortcut().toString()})")
+        fwdBtn.clicked.connect(lambda: self.on_Fwd(fullstep))
+        halfstepFwdBtn = QPushButton(">>")
+        halfstepFwdBtn.setToolTip(f"Proceed by half a window ({halfstepFwdBtn.shortcut().toString()})")
+        halfstepFwdBtn.setFont(font)
+        halfstepFwdBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        halfstepFwdBtn.setShortcut(Qt.KeyboardModifier.AltModifier + Qt.Key.Key_Right)
+        halfstepFwdBtn.clicked.connect(lambda: self.on_Fwd(halfstep))
+        quarterstepFwdBtn = QPushButton(">")
+        quarterstepFwdBtn.setToolTip(f"Proceed by a quarter window ({quarterstepFwdBtn.shortcut().toString()})")
+        quarterstepFwdBtn.setShortcut(Qt.KeyboardModifier.ShiftModifier + Qt.Key.Key_Right)
+        quarterstepFwdBtn.setFont(font)
+        quarterstepFwdBtn.clicked.connect(lambda: self.on_Fwd(quarterstep))
 
         assignOneBtn = QPushButton("Track One")
         assignOneBtn.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
@@ -142,8 +166,12 @@ class SelectionControls(QWidget):
         self._total = 0
 
         grid = QGridLayout()
-        grid.addWidget(previousBtn, 0, 0, 4, 2)
-        grid.addWidget(nextBtn, 0, 6, 4, 2)
+        grid.addWidget(backBtn, 0, 0, 2, 2)
+        grid.addWidget(halfstepBackBtn, 0, 6, 1, 2)
+        grid.addWidget(quarterstepBackBtn, 0, 6, 1, 2)
+        grid.addWidget(fwdBtn, 0, 6, 2, 2)
+        grid.addWidget(halfstepFwdBtn, 2, 6, 1, 2)
+        grid.addWidget(quarterstepFwdBtn, 3, 6, 1, 2)
         grid.addWidget(QLabel("Current selection:"), 0, 2, 1, 4)
         grid.addWidget(QLabel("Track One:"), 1, 2, 1, 3)
         grid.addWidget(self.tone_selection, 1, 5, 1, 1)
@@ -168,11 +196,13 @@ class SelectionControls(QWidget):
             else:
                 labels[k].setText("0")
 
-    def on_Next(self):
-        self.next.emit()
+    def on_Fwd(self, stepsize):
+        logging.debug("SelectionControls: forward step by %.2f", stepsize)
+        self.fwd.emit(stepsize)
 
-    def on_Previous(self):
-        self.previous.emit()
+    def on_Back(self, stepsize):
+        logging.debug("SelectionControls: backward step by %.2f", stepsize)
+        self.back.emit(stepsize)
 
     def on_TrackOne(self):
         self.assignOne.emit()
@@ -557,4 +587,4 @@ def main():
     app.exec()
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()