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[fix] adapt recent connection thumbnails to display DPI

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This commit is contained in:
dijunkun
2026-10-25 02:57:33 +08:00
parent 7fc21f01bc
commit 0fb4b031c7
6 changed files with 148 additions and 113 deletions
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apps/desktop/src/gui/application/gui_application.cpp
+38 -13
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@@ -42,6 +42,7 @@
#include "features/gallery/gallery_window_state.h"
#include "features/gallery/gallery_workspace.h"
#include "features/gallery/preview_bandwidth.h"
#include "features/gallery/preview_resolution.h"
#include "filesystem_utf8.h"
#include "localization.h"
#include "platform.h"
@@ -1034,6 +1035,9 @@ struct GuiApplication::SlintUi {
bool portable_service_dialog_initialized = false;
bool sponsorship_prompt_pending = false;
std::string recent_model_signature;
gallery::PreviewResolutionDebouncer recent_preview_resolution;
gallery::PreviewResolution recent_preview_size;
std::unordered_map<std::string, slint::Image> recent_preview_images;
std::optional<std::string> recent_group_filter;
std::vector<std::string> recent_filter_groups;
slint::Timer timer;
@@ -2580,6 +2584,7 @@ void GuiApplication::Tick() {
HandleRecentConnections();
if (was_reloading_recent_connections && !reload_recent_connections_) {
ui_->recent_model_signature.clear();
ui_->recent_preview_images.clear();
}
HandleConnectionStatusChange();
HandlePendingPresenceProbe();
@@ -3271,8 +3276,20 @@ void GuiApplication::SyncMainWindow() {
return props && props->connection_status_ == ConnectionStatus::Connected &&
!props->closing_;
};
const auto preview_size = ui_->recent_preview_resolution.Update(
gallery::PreviewResolution::Viewport(
ui_->main->get_recent_preview_width(),
ui_->main->get_recent_preview_height(),
ui_->main->window().scale_factor()),
gallery::PreviewResolutionDebouncer::Clock::now());
const bool save_previews = config_center_->IsSaveRemotePreviews();
if (!(preview_size == ui_->recent_preview_size) || !save_previews) {
ui_->recent_preview_size = preview_size;
ui_->recent_preview_images.clear();
}
std::ostringstream signature_builder;
signature_builder << config_center_->IsSaveRemotePreviews() << '\n'
signature_builder << save_previews << '\n'
<< preview_size.width << ':' << preview_size.height << '\n'
<< lan_mode << '\n'
<< bool(ui_->recent_group_filter) << '\0'
<< ui_->recent_group_filter.value_or("") << '\n';
@@ -3319,18 +3336,26 @@ void GuiApplication::SyncMainWindow() {
!item.lan && device_presence_cache_.IsOnline(connection.remote_id);
item.connected = is_connected(connection.remote_id);
item.platform = UiText(HostPlatformName(connection.platform));
std::vector<unsigned char> rgba;
int image_width = 0;
int image_height = 0;
if (config_center_->IsSaveRemotePreviews() &&
!connection.image_path.empty() &&
thumbnail_->DecodeImage(connection.image_path, &rgba, &image_width,
&image_height)) {
slint::SharedPixelBuffer<slint::Rgba8Pixel> pixels(image_width,
image_height);
std::memcpy(pixels.begin(), rgba.data(), rgba.size());
item.thumbnail = slint::Image(std::move(pixels));
item.has_thumbnail = true;
if (save_previews && !connection.image_path.empty()) {
const auto path = connection.image_path.string();
auto cached = ui_->recent_preview_images.find(path);
if (cached == ui_->recent_preview_images.end()) {
std::vector<unsigned char> rgba;
int image_width = 0, image_height = 0;
if (thumbnail_->DecodeImage(connection.image_path, preview_size.width,
preview_size.height, &rgba, &image_width,
&image_height)) {
slint::SharedPixelBuffer<slint::Rgba8Pixel> pixels(image_width,
image_height);
std::memcpy(pixels.begin(), rgba.data(), rgba.size());
cached = ui_->recent_preview_images.emplace(
path, slint::Image(std::move(pixels))).first;
}
}
if (cached != ui_->recent_preview_images.end()) {
item.thumbnail = cached->second;
item.has_thumbnail = true;
}
}
model.push_back(std::move(item));
}