1 files changed, 53 insertions, 3 deletions

diff --git a/tdbg.cpp b/tdbg.cpp
index 1ac21f7..08b47f4 100644
--- a/tdbg.cpp
+++ b/tdbg.cpp
@@ -33,7 +33,8 @@ enum InputMode {
         INPUT_MODE_NORMAL,
         INPUT_MODE_BREAKPOINT,
         INPUT_MODE_VARIABLE,
-        INPUT_MODE_WATCH
+        INPUT_MODE_WATCH,
+        INPUT_MODE_HELP
 };
 
 struct LLDBGuard {
@@ -647,6 +648,47 @@ void draw_log_view(int x, int y, int w, int h, const std::vector<std::string>& l
         }
 }
 
+void draw_help_view(int width, int height) {
+        int w = 60;
+        int h = 18;
+        int x = (width - w) / 2;
+        int y = (height - h) / 2;
+
+        // Fill background
+        for (int i = 0; i < h; ++i) {
+                for (int j = 0; j < w; ++j) {
+                        tb_set_cell(x + j, y + i, ' ', TB_DEFAULT, TB_DEFAULT);
+                }
+        }
+
+        draw_box(x, y, w, h, "Help / Keybinds");
+
+        int ty = y + 2;
+        int tx = x + 3;
+        
+        auto d = [&](const std::string& key, const std::string& desc) {
+                draw_text(tx, ty, TB_YELLOW | TB_BOLD, TB_DEFAULT, key);
+                draw_text(tx + 13, ty, TB_DEFAULT, TB_DEFAULT, desc);
+                ty++;
+        };
+
+        d("r", "Run / Launch program");
+        d("b", "Add breakpoint (file:line or func)");
+        d("p", "Print variable / Evaluate expr");
+        d("w", "Add watch expression");
+        d("n", "Step Over (next line)");
+        d("s", "Step Into (into function)");
+        d("o", "Step Out (to caller)");
+        d("c", "Continue execution");
+        d("h", "Toggle help window");
+        d("q", "Quit debugger");
+        d("Esc", "Cancel input / Close help");
+        d("Ctrl+Arrows", "Resize layout");
+        d("Mouse Wheel", "Scroll active window");
+
+        draw_text(x + (w - 24) / 2, y + h - 2, TB_BLACK, TB_WHITE, " Press any key to close ");
+}
+
 void draw_status_bar(SBProcess &process, InputMode mode, int width, int height) {
         std::string state_str = "Status: ";
         if (!process.IsValid()) {
@@ -660,8 +702,8 @@ void draw_status_bar(SBProcess &process, InputMode mode, int width, int height)
         }
 
         state_str += (mode == INPUT_MODE_NORMAL)
-                ? " | r=Run, b=Add breakpoint, p=Print, w=Watch, n=Step Over, s=Step Into, o=Step Out, c=Continue, Ctrl+Arrows=Resize, q=Quit"
-                : " | Enter=Confirm, Esc=Cancel";
+                ? " | r=Run, b=Add bp, p=Print, w=Watch, n=Step, s=Step In, o=Step Out, c=Cont, h=Help, q=Quit"
+                : (mode == INPUT_MODE_HELP ? " | Press any key to close help" : " | Enter=Confirm, Esc=Cancel");
 
         for (int x = 0; x < width; ++x) {
                 tb_set_cell(x, height - 1, ' ', TB_BLACK, TB_WHITE);
@@ -793,6 +835,10 @@ int main(int argc, char** argv) {
                 draw_breakpoints_view(target, split_x, main_window_height, layout_config.sidebar_width, layout_config.log_height);
                 draw_status_bar(process, mode, width, height);
 
+                if (mode == INPUT_MODE_HELP) {
+                        draw_help_view(width, height);
+                }
+
                 tb_present();
 
                 struct tb_event ev;
@@ -859,6 +905,8 @@ int main(int argc, char** argv) {
                                         } else if (ev.ch == 'w') {
                                                 mode = INPUT_MODE_WATCH;
                                                 input_buffer.clear();
+                                        } else if (ev.ch == 'h') {
+                                                mode = INPUT_MODE_HELP;
                                         } else {
                                                 if (process.IsValid() && process.GetState() == eStateStopped) {
                                                         switch (ev.ch) {
@@ -920,6 +968,8 @@ int main(int argc, char** argv) {
                                         } else if (ev.ch != 0) {
                                                 input_buffer += (char)ev.ch;
                                         }
+                                } else if (mode == INPUT_MODE_HELP) {
+                                        mode = INPUT_MODE_NORMAL;
                                 }
                         } else if (ev.type == TB_EVENT_MOUSE) {
                                 int main_window_height = tb_height() - layout_config.log_height - layout_config.status_height;