Add region capture option

1 files changed, 52 insertions, 0 deletions

diff --git a/include/RegionSelector.hpp b/include/RegionSelector.hpp
new file mode 100644
index 0000000..7f3041a
--- /dev/null
+++ b/include/RegionSelector.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include "WindowUtils.hpp"
+#include <mglpp/system/vec.hpp>
+#include <mglpp/graphics/Color.hpp>
+#include <vector>
+
+#include <X11/Xlib.h>
+
+namespace gsr {
+    struct Region {
+        mgl::vec2i pos;
+        mgl::vec2i size;
+    };
+
+    class RegionSelector {
+    public:
+        RegionSelector();
+        RegionSelector(const RegionSelector&) = delete;
+        RegionSelector& operator=(const RegionSelector&) = delete;
+        ~RegionSelector();
+
+        bool start(mgl::Color border_color);
+        void stop();
+        bool is_started() const;
+
+        bool failed() const;
+        bool poll_events();
+        bool is_selected() const;
+        bool take_selection();
+        Region get_selection() const;
+    private:
+        void on_button_press(const void *de);
+        void on_button_release(const void *de);
+        void on_mouse_motion(const void *de);
+    private:
+        Display *dpy = nullptr;
+        unsigned long region_window = 0;
+        unsigned long cursor_window = 0;
+        unsigned long region_window_colormap = 0;
+        int xi_opcode = 0;
+        GC region_gc = nullptr;
+        GC cursor_gc = nullptr;
+
+        Region region;
+        bool selecting_region = false;
+        bool selected = false;
+        bool is_wayland = false;
+        std::vector<Monitor> monitors;
+        mgl::vec2i cursor_pos;
+    };
+}
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