GUI: experiments

CMakeLists.txt

@@ -604,6 +604,7 @@ src/gui/findReplace.cpp
 src/gui/gradient.cpp
 src/gui/grooves.cpp
 src/gui/insEdit.cpp
+src/gui/intro.cpp
 src/gui/log.cpp
 src/gui/mixer.cpp
 src/gui/midiMap.cpp
@@ -645,7 +646,7 @@ if (APPLE)
   list(APPEND GUI_SOURCES extern/nfd-modified/src/nfd_cocoa.mm)
 endif()
 
-if (NOT WIN32 AND NOT APPLE)
+if (NOT APPLE)
   list(APPEND GUI_SOURCES src/gui/icon.c)
 
   CHECK_INCLUDE_FILE(sys/io.h SYS_IO_FOUND)

src/gui/gui.cpp

@@ -5182,6 +5182,10 @@ bool FurnaceGUI::loop() {
       ImGui::EndPopup();
     }
 
+    if (!tutorial.introPlayed) {
+      drawIntro();
+    }
+
     layoutTimeEnd=SDL_GetPerformanceCounter();
 
     // backup trigger
@@ -6214,7 +6218,8 @@ FurnaceGUI::FurnaceGUI():
   waveGenOffsetY(0),
   waveGenSmooth(1),
   waveGenAmplify(1.0f),
-  waveGenFM(false) {
+  waveGenFM(false),
+  introPos(0.0) {
   // value keys
   valueKeys[SDLK_0]=0;
   valueKeys[SDLK_1]=1;

src/gui/gui.h

@@ -1473,7 +1473,7 @@ class FurnaceGUI {
     bool taken[GUI_TUTORIAL_MAX];
     Tutorial():
       userComesFrom(0),
-      introPlayed(0) {
+      introPlayed(false) {
       memset(taken,0,GUI_TUTORIAL_MAX*sizeof(bool));
     }
   } tutorial;
@@ -1803,6 +1803,9 @@ class FurnaceGUI {
   bool waveGenFMCon4[5];
   bool waveGenFM;
 
+  // intro
+  double introPos;
+
   void drawSSGEnv(unsigned char type, const ImVec2& size);
   void drawWaveform(unsigned char type, bool opz, const ImVec2& size);
   void drawAlgorithm(unsigned char alg, FurnaceGUIFMAlgs algType, const ImVec2& size);
@@ -1879,6 +1882,7 @@ class FurnaceGUI {
   void drawSysManager();
   void drawRegView();
   void drawAbout();
+  void drawIntro();
   void drawSettings();
   void drawDebug();
   void drawNewSong();

src/gui/intro.cpp

@@ -0,0 +1,42 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2023 tildearrow and contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "gui.h"
+#include "imgui_internal.h"
+
+void FurnaceGUI::drawIntro() {
+  if (introPos<7.0) {
+    WAKE_UP;
+    nextWindow=GUI_WINDOW_NOTHING;
+    introPos+=ImGui::GetIO().DeltaTime;
+    ImGui::SetNextWindowPos(ImVec2(0,0));
+    ImGui::SetNextWindowSize(ImVec2(canvasW,canvasH));
+    if (ImGui::Begin("Intro",NULL,ImGuiWindowFlags_Modal)) {
+      ImDrawList* dl=ImGui::GetForegroundDrawList();
+      ImVec2 top=ImVec2(0.0f,0.0f);
+      ImVec2 bottom=ImVec2(canvasW,canvasH);
+
+      ImU32 bgColor=ImGui::GetColorU32(ImVec4(0.0f,0.0f,0.0f,1.0f));
+
+      dl->AddRectFilled(top,bottom,bgColor);
+      dl->AddText(top,0xffffffff,"Furnace intro");
+    }
+    ImGui::End();
+  }
+}