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Add window-based target picker as the default; process list goes advanced

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New host/src/inject/window_list.{hpp,cpp} enumerates visible, titled, non-tool
top-level (alt-tab-style) windows via EnumWindows -- root-owner only, our own
process excluded -- and maps each to its owning pid + image name. The Injection
panel now defaults to this window list (each row "title [process.exe pid]", with a
filter over title or process), since there are far fewer windows than processes and
a window maps straight to the HWND the capturer wants. The full process list stays
as the advanced picker under Debug details.

Verified live: launched the host and captured its window -- the picker lists real
windows (Discord/Firefox/Explorer/...) in "title [exe pid]" form, filter present,
and the host's own window correctly excluded. x64 build green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
BlackMark
2026-06-21 01:14:05 +02:00
parent b0f78312c6
commit 80cc5e72bd
6 changed files with 159 additions and 23 deletions
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59
host/src/injection_panel.cpp
View File

@@ -84,7 +84,13 @@ std::wstring hook_dll_path()
InjectionPanel::InjectionPanel()
{
refresh_processes();
refresh_targets();
}
void InjectionPanel::refresh_targets()
{
windows_ = list_windows();
processes_ = list_processes();
}
InjectionPanel::~InjectionPanel()
@@ -507,35 +513,64 @@ void InjectionPanel::draw(bool debug_details)
ImGui::Separator();
}
ImGui::TextUnformatted("Target process");
ImGui::TextUnformatted("Target window");
if (ImGui::Button("Refresh"))
{
refresh_processes();
refresh_targets();
}
ImGui::SameLine();
ImGui::SetNextItemWidth(-1.0f);
ImGui::InputTextWithHint("##filter", "filter by name...", filter_, sizeof(filter_));
ImGui::InputTextWithHint("##wfilter", "filter by title or process...", window_filter_, sizeof(window_filter_));
if (ImGui::BeginListBox("##processes", ImVec2(-1.0f, 200.0f)))
if (ImGui::BeginListBox("##windows", ImVec2(-1.0f, 180.0f)))
{
for (const ProcessEntry& entry : processes_)
for (const WindowEntry& w : windows_)
{
if (!contains_ci(entry.exe_name, filter_))
if (!contains_ci(w.title, window_filter_) && !contains_ci(w.exe_name, window_filter_))
{
continue;
}
const bool selected = entry.pid == selected_pid_;
char label[300];
snprintf(label, sizeof(label), "%-40s %lu", narrow(entry.exe_name).c_str(), entry.pid);
const bool selected = w.pid == selected_pid_;
char label[400];
snprintf(label, sizeof(label), "%-32s [%s %lu]", narrow(w.title).c_str(),
narrow(w.exe_name).c_str(), w.pid);
if (ImGui::Selectable(label, selected))
{
selected_pid_ = entry.pid;
selected_name_ = entry.exe_name;
selected_pid_ = w.pid;
selected_name_ = w.exe_name;
}
}
ImGui::EndListBox();
}
// The full process list is the advanced fallback (e.g. a windowless game host),
// kept out of the way unless the operator wants it.
if (debug_details)
{
ImGui::SeparatorText("All processes (advanced)");
ImGui::SetNextItemWidth(-1.0f);
ImGui::InputTextWithHint("##filter", "filter by name...", filter_, sizeof(filter_));
if (ImGui::BeginListBox("##processes", ImVec2(-1.0f, 160.0f)))
{
for (const ProcessEntry& entry : processes_)
{
if (!contains_ci(entry.exe_name, filter_))
{
continue;
}
const bool selected = entry.pid == selected_pid_;
char label[300];
snprintf(label, sizeof(label), "%-40s %lu", narrow(entry.exe_name).c_str(), entry.pid);
if (ImGui::Selectable(label, selected))
{
selected_pid_ = entry.pid;
selected_name_ = entry.exe_name;
}
}
ImGui::EndListBox();
}
}
const bool can_inject = selected_pid_ != 0;
ImGui::BeginDisabled(!can_inject);
if (ImGui::Button("Inject & Connect", ImVec2(-1.0f, 0.0f)))