fontformat: show custom fonts only

ui/configpanel.py

@@ -458,6 +458,12 @@ def __init__(self, *args, **kwargs) -> None:
 
         global_fntfmt_layout.addItem(QSpacerItem(0, 0, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding), 0, 2)
 
+        # self.let_show_only_custom_fonts = QCheckBox(parent=self)
+        self.let_show_only_custom_fonts, sublock = checkbox_with_label(self.tr("Font selection"), discription=self.tr("Show only custom fonts"))
+        global_fntfmt_layout.addWidget(sublock, 4, 0)
+        self.let_show_only_custom_fonts.stateChanged.connect(self.on_show_only_custom_fonts)
+
+
         self.let_autolayout_checker, sublock = generalConfigPanel.addCheckBox(self.tr('Auto layout'), 
                 discription=self.tr('Split translation into multi-lines according to the extracted balloon region.'))
         self.let_autolayout_adaptive_fntsize_checker, _ = generalConfigPanel.addCheckBox(None, self.tr('Adjust font size adaptively if it is set to \"decide by program.\"'), target_block=sublock)
@@ -586,6 +592,9 @@ def on_family_flag_changed(self):
     def on_effect_flag_changed(self):
         pcfg.let_fnteffect_flag = self.let_effect_combox.currentIndex()
 
+    def on_show_only_custom_fonts(self):
+        pcfg.let_show_only_custom_fonts_flag = self.let_show_only_custom_fonts.isChecked()
+
     def focusOnTranslator(self):
         idx0, idx1 = self.trans_sub_block.idx0, self.trans_sub_block.idx1
         self.configTable.setCurrentItem(idx0, idx1)

ui/fontformatpanel.py

@@ -4,8 +4,7 @@
 
 from qtpy.QtWidgets import QComboBox, QMenu, QMessageBox, QStackedLayout, QGraphicsDropShadowEffect, QLineEdit, QScrollArea, QSizePolicy, QHBoxLayout, QVBoxLayout, QFrame, QFontComboBox, QApplication, QPushButton, QCheckBox, QLabel
 from qtpy.QtCore import Signal, Qt, QRectF
-from qtpy.QtGui import QDoubleValidator, QFocusEvent, QMouseEvent, QTextCursor, QFontMetrics, QIcon, QColor, QPixmap, QPainter, QContextMenuEvent, QKeyEvent
-
+from qtpy.QtGui import QDoubleValidator, QFocusEvent, QMouseEvent, QTextCursor, QFontMetrics, QIcon, QColor, QPixmap, QPainter, QContextMenuEvent, QKeyEvent, QFontDatabase
 
 from utils.fontformat import FontFormat
 from utils import shared
@@ -330,6 +329,21 @@ def __init__(self, emit_if_focused=True, *args, **kwargs) -> None:
         self.emit_if_focused = emit_if_focused
         self._current_font = self.currentFont().family()
 
+        # Find all custom(application) fonts
+        application_fonts=[]
+        i=0
+        while True:
+            # Returns ['my_font_name']
+            font_=QFontDatabase.applicationFontFamilies(i)
+            if font_:
+                print(font_)
+                application_fonts.append(font_[0])
+            else:
+                break
+            i+=1
+        self.application_fonts=application_fonts
+
+
     def apply_fontfamily(self):
         ffamily = self.currentFont().family()
         if ffamily in shared.FONT_FAMILIES:
@@ -348,6 +362,19 @@ def on_fontfamily_changed(self):
         self.apply_fontfamily()
 
 
+    def showPopup(self):
+        if pcfg.let_show_only_custom_fonts_flag:
+            current_font = self.currentFont().family()
+
+            # Override and set custom textlist of fonts
+            self.clear()
+            self.addItems(self.application_fonts)
+
+            # Prevent the current font from changing to first in list 
+            self.setCurrentText(current_font)
+            self.on_fontfamily_changed()
+        super().showPopup()
+
 CHEVRON_SIZE = 20
 def chevron_down():
     return QIcon(r'icons/chevron-down.svg').pixmap(CHEVRON_SIZE, CHEVRON_SIZE, mode=QIcon.Mode.Normal)

utils/config.py

@@ -83,6 +83,7 @@ class ProgramConfig(Config):
     let_autolayout_flag: bool = True
     let_autolayout_adaptive_fntsz: bool = True
     let_uppercase_flag: bool = True
+    let_show_only_custom_fonts_flag:bool = False
     text_styles_path: str = osp.join(shared.DEFAULT_TEXTSTYLE_DIR, 'default.json')
     expand_tstyle_panel: bool = True
     fsearch_case: bool = False