Qt: Better initial shortcut editor column sizes

CHANGES

@@ -124,6 +124,7 @@ Misc:
  - Qt: Unify monospace font usage
  - Qt: Add button to jump to log settings
  - Qt: Use relative paths in portable mode when applicable (fixes mgba.io/i/838)
+ - Qt: Better initial shortcut editor column sizes
  - SDL: Fall back to sw blit if OpenGL init fails
  - Util: Reset vector size on deinit
  - VFS: Change semantics of VFile.sync on mapped files (fixes mgba.io/i/1730)

src/platform/qt/ShortcutView.cpp

@@ -10,6 +10,7 @@
 #include "ShortcutController.h"
 #include "ShortcutModel.h"
 
+#include <QFontMetrics>
 #include <QKeyEvent>
 
 using namespace QGBA;
@@ -134,6 +135,15 @@ void ShortcutView::closeEvent(QCloseEvent*) {
 	}
 }
 
+void ShortcutView::showEvent(QShowEvent*) {
+	QString longString("Ctrl+Alt+Shift+Tab");
+	int width = QFontMetrics(QFont()).width(longString);
+	QHeaderView* header = m_ui.shortcutTable->header();
+	header->resizeSection(0, header->length() - width * 2);
+	header->resizeSection(1, width);
+	header->resizeSection(2, width);
+}
+
 bool ShortcutView::event(QEvent* event) {
 	if (m_input) {
 		QEvent::Type type = event->type();

src/platform/qt/ShortcutView.h

@@ -30,6 +30,7 @@ public:
 protected:
 	virtual bool event(QEvent*) override;
 	virtual void closeEvent(QCloseEvent*) override;
+	virtual void showEvent(QShowEvent*) override;
 
 private slots:
 	void load(const QModelIndex&);

src/platform/qt/ShortcutView.ui

@@ -16,6 +16,9 @@
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
     <widget class="QTreeView" name="shortcutTable">
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOn</enum>
+     </property>
      <attribute name="headerDefaultSectionSize">
       <number>120</number>
      </attribute>