From fb3441f5d3d4872dcec6653e8896c0400942cbf0 Mon Sep 17 00:00:00 2001
From: oxmox <oxmox@noreply.localhost>
Date: Mon, 20 Feb 2023 22:50:17 +0100
Subject: [PATCH] toggle fullscreen, toggle ui, invert mouse panning

---
 src/doompanning.cc | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/src/doompanning.cc b/src/doompanning.cc
index 3711c68..dbe575d 100644
--- a/src/doompanning.cc
+++ b/src/doompanning.cc
@@ -1,4 +1,5 @@
 #include <nng/nng.h>
+
 #include <imgui.h>
 #include <backends/imgui_impl_sdl.h>
 #include <backends/imgui_impl_sdlrenderer.h>
@@ -46,7 +47,7 @@ struct DoomState
     // So easy to get this wrong and destroy the texture by accident. Cleanup is
     // now done in check_on_dooms() before erasing the state. Enabling this code
     // still works though.
-#if 1
+#if 0
     DoomState() = default;
     ~DoomState()
     {
@@ -93,6 +94,8 @@ struct ControllerContext
     s32 offsetX = 0;
     s32 offsetY = 0;
     bool isMousePanning = false;
+    bool isFullscreen = false;
+    bool uiVisible = true;
 };
 
 struct ControllerActions
@@ -579,7 +582,7 @@ ControllerActions run_ui(ControllerContext &ctx)
     // Window contents
 
     ControllerActions result = {};
-    static int doomsToSpawn = 1;
+    static int doomsToSpawn = 4;
 
     ImGui::PushItemWidth(ImGui::GetFontSize() * -16); // affects stuff like slider widths
 
@@ -641,6 +644,7 @@ int doom_controller_loop(ControllerContext &ctx)
             if (io.KeyCtrl && ImGui::IsKeyDown(ImGuiKey_Q))
                 ctx.quit = true;
 
+            // keyboard zoom with - and =, reset with 0
             if (ImGui::IsKeyDown(ImGuiKey_Equal))
                 ctx.scaleFactor += ScaleStep;
             if (ImGui::IsKeyDown(ImGuiKey_Minus))
@@ -648,6 +652,7 @@ int doom_controller_loop(ControllerContext &ctx)
             if (ImGui::IsKeyDown(ImGuiKey_0))
                 ctx.scaleFactor = 1.0;
 
+            // hjkl scrolling and reset with g
             if (ImGui::IsKeyDown(ImGuiKey_H))
                 ctx.offsetX -= PanStep;
             if (ImGui::IsKeyDown(ImGuiKey_J))
@@ -656,9 +661,19 @@ int doom_controller_loop(ControllerContext &ctx)
                 ctx.offsetY -= PanStep;
             if (ImGui::IsKeyDown(ImGuiKey_L))
                 ctx.offsetX += PanStep;
-
             if (ImGui::IsKeyDown(ImGuiKey_G))
                 ctx.offsetX = ctx.offsetY = 0;
+
+            // fullscreen toggle
+            if (io.KeyAlt && ImGui::IsKeyPressed(ImGuiKey_Enter, false))
+            {
+                u32 flag = (ctx.isFullscreen ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP);
+                SDL_SetWindowFullscreen(ctx.window, flag);
+                ctx.isFullscreen = !ctx.isFullscreen;
+            }
+
+            if (ImGui::IsKeyPressed(ImGuiKey_F10, false))
+                ctx.uiVisible = !ctx.uiVisible;
         }
 
         static ImVec2 panStartPos;
@@ -682,8 +697,8 @@ int doom_controller_loop(ControllerContext &ctx)
             auto curPos = io.MousePos;
             auto dx = curPos.x - panStartPos.x;
             auto dy = curPos.y - panStartPos.y;
-            ctx.offsetX += dx;
-            ctx.offsetY += dy;
+            ctx.offsetX -= dx;
+            ctx.offsetY -= dy;
             panStartPos = curPos;
         }
 
@@ -698,7 +713,9 @@ int doom_controller_loop(ControllerContext &ctx)
         ImGui_ImplSDL2_NewFrame();
         ImGui::NewFrame();
 
-        actions = run_ui(ctx);
+        actions = {};
+        if (ctx.uiVisible)
+            actions = run_ui(ctx);
 
         // Rendering
         const auto [r, g, b, a] = imvec4_to_rgba(clear_color);
@@ -744,7 +761,7 @@ int main(int argc, char *argv[])
 #endif
 
     const auto windowFlags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_OPENGL;
-    auto window = SDL_CreateWindow("doompanning", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, windowFlags);
+    auto window = SDL_CreateWindow("doompanning", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 960, windowFlags);
     if (!window)
         dp_sdl_fatal("SDL_CreateWindow");