From 7ed530350226d268c3ccb80952f4176589e9a32a Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 27 Oct 2012 03:35:10 +0300
Subject: Autoselect resolution under android.

---
 src/graphicsmanager.cpp   | 52 +++++++++++++++++++++++++++++++++++++++++++++--
 src/graphicsmanager.h     |  4 ++++
 src/gui/setup_video.cpp   | 24 +---------------------
 src/utils/stringutils.cpp | 13 ++++++++++++
 src/utils/stringutils.h   |  3 +++
 5 files changed, 71 insertions(+), 25 deletions(-)

diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 67bfa8847..5abd85297 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -264,14 +264,31 @@ Graphics *GraphicsManager::createGraphics()
 
 void GraphicsManager::setVideoMode()
 {
-    const int width = config.getIntValue("screenwidth");
-    const int height = config.getIntValue("screenheight");
+    int width = config.getIntValue("screenwidth");
+    int height = config.getIntValue("screenheight");
     const int bpp = 0;
     const bool fullscreen = config.getBoolValue("screen");
     const bool hwaccel = config.getBoolValue("hwaccel");
     const bool enableResize = config.getBoolValue("enableresize");
     const bool noFrame = config.getBoolValue("noframe");
 
+#ifdef ANDROID
+    StringVect videoModes;
+    getAllVideoModes(videoModes);
+    if (!videoModes.empty())
+    {
+        std::string str = videoModes[0];
+        std::vector<int> res;
+        splitToIntVector(res, videoModes[0], 'x');
+        if (res.size() == 2)
+        {
+            width = res[0];
+            height = res[1];
+            logger->log("Autoselect mode %dx%d", width, height);
+        }
+    }
+#endif
+
     // Try to set the desired video mode
     if (!mainGraphics->setVideoMode(width, height, bpp,
         fullscreen, hwaccel, enableResize, noFrame))
@@ -302,6 +319,37 @@ void GraphicsManager::setVideoMode()
     }
 }
 
+bool GraphicsManager::getAllVideoModes(StringVect &modeList)
+{
+    /* Get available fullscreen/hardware modes */
+    SDL_Rect **const modes = SDL_ListModes(nullptr,
+        SDL_FULLSCREEN | SDL_HWSURFACE);
+
+    /* Check which modes are available */
+    if (modes == static_cast<SDL_Rect **>(nullptr))
+    {
+        logger->log1("No modes available");
+        return false;
+    }
+    else if (modes == reinterpret_cast<SDL_Rect **>(-1))
+    {
+        logger->log1("All resolutions available");
+        return true;
+    }
+    else
+    {
+        for (int i = 0; modes[i]; ++ i)
+        {
+            const std::string modeString =
+                toString(static_cast<int>(modes[i]->w)) + "x"
+                + toString(static_cast<int>(modes[i]->h));
+            logger->log("support mode: " + modeString);
+            modeList.push_back(modeString);
+        }
+        return true;
+    }
+}
+
 #ifdef USE_OPENGL
 void GraphicsManager::updateExtensions()
 {
diff --git a/src/graphicsmanager.h b/src/graphicsmanager.h
index ccc988523..7dbd5ea4d 100644
--- a/src/graphicsmanager.h
+++ b/src/graphicsmanager.h
@@ -37,6 +37,8 @@
 
 #endif
 
+#include "utils/stringvector.h"
+
 #include <set>
 #include <string>
 
@@ -62,6 +64,8 @@ class GraphicsManager final
 
         Graphics *createGraphics();
 
+        bool getAllVideoModes(StringVect &modeList);
+
 #ifdef USE_OPENGL
         TestMain *startDetection();
 
diff --git a/src/gui/setup_video.cpp b/src/gui/setup_video.cpp
index 688519743..0188eb6b7 100644
--- a/src/gui/setup_video.cpp
+++ b/src/gui/setup_video.cpp
@@ -132,29 +132,7 @@ static bool modeSorter(std::string mode1, std::string mode2)
 
 ModeListModel::ModeListModel()
 {
-    /* Get available fullscreen/hardware modes */
-    SDL_Rect **const modes = SDL_ListModes(nullptr,
-        SDL_FULLSCREEN | SDL_HWSURFACE);
-
-    /* Check which modes are available */
-    if (modes == static_cast<SDL_Rect **>(nullptr))
-    {
-        logger->log1("No modes available");
-    }
-    else if (modes == reinterpret_cast<SDL_Rect **>(-1))
-    {
-        logger->log1("All resolutions available");
-    }
-    else
-    {
-        for (int i = 0; modes[i]; ++ i)
-        {
-            const std::string modeString =
-                toString(static_cast<int>(modes[i]->w)) + "x"
-                + toString(static_cast<int>(modes[i]->h));
-            mVideoModes.push_back(modeString);
-        }
-    }
+    graphicsManager.getAllVideoModes(mVideoModes);
     addCustomMode("640x480");
     addCustomMode("800x600");
     addCustomMode("1024x768");
diff --git a/src/utils/stringutils.cpp b/src/utils/stringutils.cpp
index e28013320..8c6d88d1c 100644
--- a/src/utils/stringutils.cpp
+++ b/src/utils/stringutils.cpp
@@ -476,6 +476,19 @@ void splitToStringSet(std::set<std::string> &tokens, const std::string &text,
     }
 }
 
+void splitToIntVector(std::vector<int> &tokens, const std::string &text,
+                      const char separator)
+{
+    std::stringstream ss(text);
+    std::string item;
+    while (std::getline(ss, item, separator))
+    {
+        item = trim(item);
+        if (!item.empty())
+            tokens.push_back(atoi(item.c_str()));
+    }
+}
+
 std::string combineDye(std::string file, std::string dye)
 {
     if (dye.empty())
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
index 9355e1720..2b10b7631 100644
--- a/src/utils/stringutils.h
+++ b/src/utils/stringutils.h
@@ -191,6 +191,9 @@ void splitToStringVector(StringVect &tokens,
 void splitToStringSet(std::set<std::string> &tokens,
                       const std::string &text, const char separator);
 
+void splitToIntVector(std::vector<int> &tokens,
+                      const std::string &text, const char separator);
+
 std::string combineDye(std::string file, std::string dye);
 
 std::string combineDye2(std::string file, std::string dye);
-- 
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