[feat] show sponsorship prompt once per version

apps/desktop/src/config_center/config_center.cpp

@@ -52,6 +52,10 @@ int ConfigCenter::Load() {
       ini_->Delete(section_, "enable_desktop_quality_optimization");
   persist_config_migration |=
       ini_->Delete(section_, "enable_minimize_to_tray");
+  // The old global flag has no version information. Prompt once for the
+  // current release, then remember its version when the user dismisses it.
+  persist_config_migration |=
+      ini_->Delete(section_, "sponsorship_prompt_dismissed");
 
   const long language_value =
       ini_->GetLongValue(section_, "language", static_cast<long>(language_));
@@ -131,8 +135,8 @@ int ConfigCenter::Load() {
   portable_service_prompt_suppressed_ =
       ini_->GetBoolValue(section_, "portable_service_prompt_suppressed",
                         portable_service_prompt_suppressed_);
-  sponsorship_prompt_dismissed_ =
+  sponsorship_prompt_dismissed_version_ =
-      ini_->GetBoolValue(section_, "sponsorship_prompt_dismissed", false);
+      ini_->GetValue(section_, "sponsorship_prompt_dismissed_version", "");
 
   const char* file_transfer_save_path_value =
       ini_->GetValue(section_, "file_transfer_save_path", nullptr);
@@ -223,8 +227,8 @@ int ConfigCenter::Save() {
                     save_remote_previews_.load());
   ini_->SetBoolValue(section_, "portable_service_prompt_suppressed",
                     portable_service_prompt_suppressed_);
-  ini_->SetBoolValue(section_, "sponsorship_prompt_dismissed",
+  ini_->SetValue(section_, "sponsorship_prompt_dismissed_version",
-                    sponsorship_prompt_dismissed_);
+                sponsorship_prompt_dismissed_version_.c_str());
 
   ini_->SetValue(section_, "file_transfer_save_path",
                 file_transfer_save_path_.c_str());
@@ -399,12 +403,13 @@ int ConfigCenter::SetPortableServicePromptSuppressed(bool suppressed) {
   return 0;
 }
 
-int ConfigCenter::SetSponsorshipPromptDismissed(bool dismissed) {
+int ConfigCenter::SetSponsorshipPromptDismissedVersion(
-  if (StoreValues({{"sponsorship_prompt_dismissed",
+    const std::string& version) {
-                    dismissed ? "true" : "false"}}) != 0) {
+  if (version.empty() ||
+      StoreValues({{"sponsorship_prompt_dismissed_version", version}}) != 0) {
     return -1;
   }
-  sponsorship_prompt_dismissed_ = dismissed;
+  sponsorship_prompt_dismissed_version_ = version;
   return 0;
 }
 
@@ -476,8 +481,8 @@ bool ConfigCenter::IsPortableServicePromptSuppressed() const {
   return portable_service_prompt_suppressed_;
 }
 
-bool ConfigCenter::IsSponsorshipPromptDismissed() const {
+std::string ConfigCenter::GetSponsorshipPromptDismissedVersion() const {
-  return sponsorship_prompt_dismissed_;
+  return sponsorship_prompt_dismissed_version_;
 }
 
 int ConfigCenter::SetFileTransferSavePath(const std::string& path) {

apps/desktop/src/config_center/config_center.h

@@ -49,7 +49,7 @@ class ConfigCenter {
   int SetPrivacyScreen(bool enable_privacy_screen);
   int SetSaveRemotePreviews(bool enabled);
   int SetPortableServicePromptSuppressed(bool suppressed);
-  int SetSponsorshipPromptDismissed(bool dismissed);
+  int SetSponsorshipPromptDismissedVersion(const std::string& version);
   int SetFileTransferSavePath(const std::string& path);
 
   // read config
@@ -74,7 +74,7 @@ class ConfigCenter {
   bool IsEnablePrivacyScreen() const;
   bool IsSaveRemotePreviews() const;
   bool IsPortableServicePromptSuppressed() const;
-  bool IsSponsorshipPromptDismissed() const;
+  std::string GetSponsorshipPromptDismissedVersion() const;
   std::string GetFileTransferSavePath() const;
 
   int Load();
@@ -104,7 +104,7 @@ class ConfigCenter {
   std::atomic<bool> enable_privacy_screen_{true};
   std::atomic<bool> save_remote_previews_{true};
   bool portable_service_prompt_suppressed_ = false;
-  bool sponsorship_prompt_dismissed_ = false;
+  std::string sponsorship_prompt_dismissed_version_;
   std::string file_transfer_save_path_ = "";
 };
 }  // namespace crossdesk

apps/desktop/src/gui/application/gui_application.cpp

@@ -1267,7 +1267,7 @@ void GuiApplication::InitializeUi() {
 #endif
   ui_ = std::make_unique<SlintUi>();
   ui_->sponsorship_prompt_pending =
-      !config_center_->IsSponsorshipPromptDismissed();
+      config_center_->GetSponsorshipPromptDismissedVersion() != CROSSDESK_VERSION;
   ui_->video_presenter =
       std::make_unique<SlintVideoPresenter>(*video_renderer_);
 #if _WIN32
@@ -1752,7 +1752,7 @@ void GuiApplication::BindMainCallbacks(bool gallery_window) {
   main->on_dismiss_sponsorship([this, main] {
     main->set_sponsorship_open(false);
     ui_->sponsorship_prompt_pending = false;
-    if (config_center_->SetSponsorshipPromptDismissed(true) != 0) {
+    if (config_center_->SetSponsorshipPromptDismissedVersion(CROSSDESK_VERSION) != 0) {
       LOG_WARN("Could not save sponsorship prompt dismissal");
     }
   });

apps/desktop/src/gui/assets/localization/localization_data.h

@@ -293,9 +293,9 @@ struct TranslationRow {
   X(sponsorship_message, u8"如果 CrossDesk 对你有帮助，欢迎赞助支持项目的持续开发、跨平台测试与日常维护。感谢你的支持！", \
     "If CrossDesk is useful to you, consider supporting its continued development, cross-platform testing, and maintenance. Thank you for your support!", \
     u8"Если CrossDesk вам полезен, поддержите его дальнейшую разработку, тестирование на разных платформах и сопровождение. Спасибо за вашу поддержку!") \
-  X(sponsorship_dismiss_hint, u8"关闭后不再自动弹出，你仍可在「关于」中找到赞助入口。", \
+  X(sponsorship_dismiss_hint, u8"关闭后本版本不再提示，升级后再次显示。赞助入口仍在「关于」中。", \
-    "This prompt will not appear again after you close it. Sponsorship links remain available in About.", \
+    "Once closed, this prompt stays hidden until the version changes. Sponsorship links remain available in About.", \
-    u8"После закрытия это окно больше не появится автоматически. Ссылки для поддержки останутся в разделе «О программе».") \
+    u8"После закрытия это окно появится только при смене версии. Ссылки для поддержки останутся в разделе «О программе».") \
   X(sponsor_via_afdian, u8"爱发电", "AFDIAN", "AFDIAN")                       \
   X(notification, u8"通知", "Notification", u8"Уведомление")                   \
   X(new_version, u8"新版本", "New version", u8"Новая версия")                 \

apps/desktop/src/gui/ui/main_window.slint

@@ -2289,15 +2289,16 @@ export component MainWindow inherits Window {
             width: min(480px, parent.width - 40px);
             height: self.content-top + sponsorship-content.preferred-height + 24px;
             title: UiStrings.sponsorship-title;
-            close-label: MessageStrings.close;
+            show-close-button: false;
-            close => { root.dismiss-sponsorship(); }
             sponsorship-content := VerticalLayout {
                 x: 24px; y: parent.content-top;
                 width: parent.width - 48px; height: self.preferred-height;
-                padding: 0px; spacing: 18px;
+                padding: 0px; spacing: 20px;
                 Text {
                     text: UiStrings.sponsorship-message;
-                    color: WorkbenchStyle.text; font-size: 13px; wrap: word-wrap;
+                    color: WorkbenchStyle.text; font-size: 14px; wrap: word-wrap;
+                    // Match message bodies' 1.5em line height for wrapped text.
+                    font-family: "CrossDesk Message Spacing";
                 }
                 SponsorshipSection {
                     show-title: false;
@@ -2308,6 +2309,7 @@ export component MainWindow inherits Window {
                 Text {
                     text: UiStrings.sponsorship-dismiss-hint;
                     color: WorkbenchStyle.muted; font-size: 12px; wrap: word-wrap;
+                    font-family: "CrossDesk Message Spacing";
                 }
                 Rectangle { height: 1px; background: WorkbenchStyle.separator; }
                 HorizontalLayout {

apps/desktop/src/gui/ui/settings_controls.slint

@@ -49,6 +49,7 @@ export component SettingsButton inherits Rectangle {
 export component SettingsDialog inherits DialogSurface {
     in property <string> title;
     in property <string> close-label;
+    in property <bool> show-close-button: true;
     in property <int> badge-count: 0;
     in property <string> badge-label;
     in property <string> header-status;
@@ -92,7 +93,7 @@ export component SettingsDialog inherits DialogSurface {
             clicked => { root.action(); }
             action-label-metrics := Text { visible: false; text: root.action-text; font-size: 12px; }
         }
-        IconButton {
+        if root.show-close-button: IconButton {
             width: 28px; height: 28px;
             icon: FontAwesomeIcons.xmark; icon-size: 14px;
             icon-color: WorkbenchStyle.muted;