feat: 实现 Windows 可选字体包安装链

apps/desktop/build/installer.nsh

@@ -1,3 +1,67 @@
+!ifdef FONT_PACK_COMPANION_FILE
+!ifndef BUILD_UNINSTALLER
+  !include "FileFunc.nsh"
+  !include "nsDialogs.nsh"
+
+  Var fontPackCompanionAvailable
+  Var fontPackCompanionCheckbox
+  Var fontPackCompanionExitCode
+  Var fontPackCompanionHash
+  Var fontPackCompanionPath
+  Var fontPackCompanionSelected
+
+  !macro customInit
+    StrCpy $fontPackCompanionAvailable "0"
+    StrCpy $fontPackCompanionSelected "0"
+    StrCpy $fontPackCompanionPath "$EXEDIR\${FONT_PACK_COMPANION_FILE}"
+    IfFileExists "$fontPackCompanionPath" 0 font_pack_init_done
+      ${StdUtils.HashFile} $fontPackCompanionHash "SHA2-256" "$fontPackCompanionPath"
+      StrCmp $fontPackCompanionHash "${FONT_PACK_COMPANION_SHA256}" 0 font_pack_init_done
+      StrCpy $fontPackCompanionAvailable "1"
+      IfSilent font_pack_silent font_pack_interactive
+      font_pack_interactive:
+        StrCpy $fontPackCompanionSelected "1"
+        Goto font_pack_init_done
+      font_pack_silent:
+        ${GetParameters} $R0
+        ${GetOptions} $R0 "/WITHFONTPACK=" $R1
+        StrCmp $R1 "1" 0 font_pack_init_done
+        StrCpy $fontPackCompanionSelected "1"
+    font_pack_init_done:
+  !macroend
+
+  Function FontPackCompanionPage
+    StrCmp $fontPackCompanionAvailable "1" 0 font_pack_page_skip
+    nsDialogs::Create 1018
+    Pop $R0
+    StrCmp $R0 "error" 0 +2
+      Abort
+    ${NSD_CreateLabel} 0 0 100% 28u "检测到经过完整性校验的可选字体包。安装后，政企公文主题可使用与 PDF 相同的原生中文字体资产。"
+    Pop $R0
+    ${NSD_CreateCheckbox} 0 38u 100% 14u "安装 ${FONT_PACK_COMPANION_NAME}"
+    Pop $fontPackCompanionCheckbox
+    ${NSD_Check} $fontPackCompanionCheckbox
+    nsDialogs::Show
+    Return
+    font_pack_page_skip:
+      Abort
+  FunctionEnd
+
+  Function FontPackCompanionPageLeave
+    ${NSD_GetState} $fontPackCompanionCheckbox $R0
+    StrCmp $R0 ${BST_CHECKED} 0 font_pack_page_unchecked
+      StrCpy $fontPackCompanionSelected "1"
+      Return
+    font_pack_page_unchecked:
+      StrCpy $fontPackCompanionSelected "0"
+  FunctionEnd
+
+  !macro customPageAfterChangeDir
+    Page custom FontPackCompanionPage FontPackCompanionPageLeave
+  !macroend
+!endif
+!endif
+
 !macro customInstall
   WriteRegStr SHCTX \
     "Software\Classes\MarkdownPdfExporter.Markdown" \
@@ -43,6 +107,24 @@
     "" \
     "$INSTDIR\md-to-pdf.exe"
   StrCpy $launchLink "$INSTDIR\md-to-pdf.exe"
+  !ifdef FONT_PACK_COMPANION_FILE
+    StrCmp $fontPackCompanionAvailable "1" 0 font_pack_install_done
+    StrCmp $fontPackCompanionSelected "1" 0 font_pack_install_done
+      ${StdUtils.HashFile} $fontPackCompanionHash "SHA2-256" "$fontPackCompanionPath"
+      StrCmp $fontPackCompanionHash "${FONT_PACK_COMPANION_SHA256}" 0 font_pack_integrity_failed
+      DetailPrint "正在安装可选字体包：${FONT_PACK_COMPANION_NAME}"
+      ExecWait '"$fontPackCompanionPath" /S' $fontPackCompanionExitCode
+      StrCmp $fontPackCompanionExitCode "0" font_pack_install_done
+      DetailPrint "可选字体包安装失败，退出码：$fontPackCompanionExitCode"
+      IfSilent font_pack_install_done 0
+      MessageBox MB_ICONEXCLAMATION|MB_OK "主程序已安装，但可选字体包安装失败（退出码 $fontPackCompanionExitCode）。您可以稍后单独运行字体包安装器。"
+      Goto font_pack_install_done
+    font_pack_integrity_failed:
+      DetailPrint "可选字体包完整性复核失败，已跳过安装。"
+      IfSilent font_pack_install_done 0
+      MessageBox MB_ICONEXCLAMATION|MB_OK "可选字体包完整性复核失败，主程序已安装，但字体包已跳过。"
+    font_pack_install_done:
+  !endif
   System::Call 'shell32::SHChangeNotify(i 0x08000000, i 0, i 0, i 0)'
 !macroend