7 files changed, 156 insertions, 30 deletions

diff --git a/src/citra/CMakeLists.txt b/src/citra/CMakeLists.txt
index f10f3e603..f2add394f 100644
--- a/src/citra/CMakeLists.txt
+++ b/src/citra/CMakeLists.txt
@@ -1,9 +1,12 @@
 set(SRCS
             emu_window/emu_window_glfw.cpp
             citra.cpp
+            config.cpp
             )
 set(HEADERS
             emu_window/emu_window_glfw.h
+            config.h
+            default_ini.h
             resource.h
             )
 
@@ -16,7 +19,7 @@ endif()
 
 add_executable(citra ${SRCS} ${HEADERS})
 target_link_libraries(citra core common video_core)
-target_link_libraries(citra ${OPENGL_gl_LIBRARY} ${GLFW_LIBRARIES})
+target_link_libraries(citra ${OPENGL_gl_LIBRARY} ${GLFW_LIBRARIES} inih)
 
 if (APPLE)
     target_link_libraries(citra iconv pthread ${COREFOUNDATION_LIBRARY})
diff --git a/src/citra/citra.cpp b/src/citra/citra.cpp
index 7dc721dc3..46781defa 100644
--- a/src/citra/citra.cpp
+++ b/src/citra/citra.cpp
@@ -4,12 +4,12 @@
 
 #include "common/common.h"
 #include "common/log_manager.h"
-#include "common/file_util.h"
 
 #include "core/system.h"
 #include "core/core.h"
 #include "core/loader/loader.h"
 
+#include "citra/config.h"
 #include "citra/emu_window/emu_window_glfw.h"
 
 /// Application entry point
@@ -21,13 +21,16 @@ int __cdecl main(int argc, char **argv) {
         return -1;
     }
 
+    Config config;
+
     std::string boot_filename = argv[1];
     EmuWindow_GLFW* emu_window = new EmuWindow_GLFW;
 
     System::Init(emu_window);
 
-    if (Loader::ResultStatus::Success != Loader::LoadFile(boot_filename)) {
-        ERROR_LOG(BOOT, "Failed to load ROM!");
+    Loader::ResultStatus load_result = Loader::LoadFile(boot_filename);
+    if (Loader::ResultStatus::Success != load_result) {
+        ERROR_LOG(BOOT, "Failed to load ROM (Error %i)!", load_result);
         return -1;
     }
 
diff --git a/src/citra/config.cpp b/src/citra/config.cpp
new file mode 100644
index 000000000..1d5e9c717
--- /dev/null
+++ b/src/citra/config.cpp
@@ -0,0 +1,65 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <GLFW/glfw3.h>
+
+#include "citra/default_ini.h"
+#include "common/file_util.h"
+#include "core/settings.h"
+
+#include "config.h"
+
+Config::Config() {
+    // TODO: Don't hardcode the path; let the frontend decide where to put the config files.
+    glfw_config_loc = FileUtil::GetUserPath(D_CONFIG_IDX) + "glfw-config.ini";
+    glfw_config = new INIReader(glfw_config_loc);
+
+    Reload();
+}
+
+bool Config::LoadINI(INIReader* config, const char* location, const std::string& default_contents, bool retry) {
+    if (config->ParseError() < 0) {
+        if (retry) {
+            ERROR_LOG(CONFIG, "Failed to load %s. Creating file from defaults...", location);
+            FileUtil::CreateFullPath(location);
+            FileUtil::WriteStringToFile(true, default_contents, location);
+            *config = INIReader(location); // Reopen file
+
+            return LoadINI(config, location, default_contents, false);
+        }
+        ERROR_LOG(CONFIG, "Failed.");
+        return false;
+    }
+    INFO_LOG(CONFIG, "Successfully loaded %s", location);
+    return true;
+}
+
+void Config::ReadControls() {
+    Settings::values.pad_a_key = glfw_config->GetInteger("Controls", "pad_a", GLFW_KEY_A);
+    Settings::values.pad_b_key = glfw_config->GetInteger("Controls", "pad_b", GLFW_KEY_S);
+    Settings::values.pad_x_key = glfw_config->GetInteger("Controls", "pad_x", GLFW_KEY_Z);
+    Settings::values.pad_y_key = glfw_config->GetInteger("Controls", "pad_y", GLFW_KEY_X);
+    Settings::values.pad_l_key = glfw_config->GetInteger("Controls", "pad_l", GLFW_KEY_Q);
+    Settings::values.pad_r_key = glfw_config->GetInteger("Controls", "pad_r", GLFW_KEY_W);
+    Settings::values.pad_start_key  = glfw_config->GetInteger("Controls", "pad_start",  GLFW_KEY_M);
+    Settings::values.pad_select_key = glfw_config->GetInteger("Controls", "pad_select", GLFW_KEY_N);
+    Settings::values.pad_home_key   = glfw_config->GetInteger("Controls", "pad_home",   GLFW_KEY_B);
+    Settings::values.pad_dup_key    = glfw_config->GetInteger("Controls", "pad_dup",    GLFW_KEY_T);
+    Settings::values.pad_ddown_key  = glfw_config->GetInteger("Controls", "pad_ddown",  GLFW_KEY_G);
+    Settings::values.pad_dleft_key  = glfw_config->GetInteger("Controls", "pad_dleft",  GLFW_KEY_F);
+    Settings::values.pad_dright_key = glfw_config->GetInteger("Controls", "pad_dright", GLFW_KEY_H);
+    Settings::values.pad_sup_key    = glfw_config->GetInteger("Controls", "pad_sup",    GLFW_KEY_UP);
+    Settings::values.pad_sdown_key  = glfw_config->GetInteger("Controls", "pad_sdown",  GLFW_KEY_DOWN);
+    Settings::values.pad_sleft_key  = glfw_config->GetInteger("Controls", "pad_sleft",  GLFW_KEY_LEFT);
+    Settings::values.pad_sright_key = glfw_config->GetInteger("Controls", "pad_sright", GLFW_KEY_RIGHT);
+}
+
+void Config::Reload() {
+    LoadINI(glfw_config, glfw_config_loc.c_str(), DefaultINI::glfw_config_file);
+    ReadControls();
+}
+
+Config::~Config() {
+    delete glfw_config;
+}
diff --git a/src/citra/config.h b/src/citra/config.h
new file mode 100644
index 000000000..de0570b42
--- /dev/null
+++ b/src/citra/config.h
@@ -0,0 +1,24 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+
+#include <inih/cpp/INIReader.h>
+
+#include "common/common_types.h"
+
+class Config {
+    INIReader* glfw_config;
+    std::string glfw_config_loc;
+
+    bool LoadINI(INIReader* config, const char* location, const std::string& default_contents="", bool retry=true);
+    void ReadControls();
+public:
+    Config();
+    ~Config();
+
+    void Reload();
+};
diff --git a/src/citra/default_ini.h b/src/citra/default_ini.h
new file mode 100644
index 000000000..11b985e1b
--- /dev/null
+++ b/src/citra/default_ini.h
@@ -0,0 +1,30 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace DefaultINI {
+
+const char* glfw_config_file = R"(
+[Controls]
+pad_start =
+pad_select =
+pad_home =
+pad_dup =
+pad_ddown =
+pad_dleft =
+pad_dright =
+pad_a =
+pad_b =
+pad_x =
+pad_y =
+pad_r =
+pad_l =
+pad_sup =
+pad_sdown =
+pad_sleft =
+pad_sright =
+)";
+
+}
diff --git a/src/citra/emu_window/emu_window_glfw.cpp b/src/citra/emu_window/emu_window_glfw.cpp
index b911e60c5..661521eb7 100644
--- a/src/citra/emu_window/emu_window_glfw.cpp
+++ b/src/citra/emu_window/emu_window_glfw.cpp
@@ -6,26 +6,9 @@
 
 #include "video_core/video_core.h"
 
-#include "citra/emu_window/emu_window_glfw.h"
+#include "core/settings.h"
 
-static const std::pair<int, HID_User::PadState> default_key_map[] = {
-    { GLFW_KEY_A, HID_User::PAD_A },
-    { GLFW_KEY_B, HID_User::PAD_B },
-    { GLFW_KEY_BACKSLASH, HID_User::PAD_SELECT },
-    { GLFW_KEY_ENTER, HID_User::PAD_START },
-    { GLFW_KEY_RIGHT, HID_User::PAD_RIGHT },
-    { GLFW_KEY_LEFT, HID_User::PAD_LEFT },
-    { GLFW_KEY_UP, HID_User::PAD_UP },
-    { GLFW_KEY_DOWN, HID_User::PAD_DOWN },
-    { GLFW_KEY_R, HID_User::PAD_R },
-    { GLFW_KEY_L, HID_User::PAD_L },
-    { GLFW_KEY_X, HID_User::PAD_X },
-    { GLFW_KEY_Y, HID_User::PAD_Y },
-    { GLFW_KEY_H, HID_User::PAD_CIRCLE_RIGHT },
-    { GLFW_KEY_F, HID_User::PAD_CIRCLE_LEFT },
-    { GLFW_KEY_T, HID_User::PAD_CIRCLE_UP },
-    { GLFW_KEY_G, HID_User::PAD_CIRCLE_DOWN },
-};
+#include "citra/emu_window/emu_window_glfw.h"
 
 /// Called by GLFW when a key event occurs
 void EmuWindow_GLFW::OnKeyEvent(GLFWwindow* win, int key, int scancode, int action, int mods) {
@@ -48,14 +31,9 @@ void EmuWindow_GLFW::OnKeyEvent(GLFWwindow* win, int key, int scancode, int acti
 
 /// EmuWindow_GLFW constructor
 EmuWindow_GLFW::EmuWindow_GLFW() {
-
-    // Register a new ID for the default keyboard
     keyboard_id = KeyMap::NewDeviceId();
 
-    // Set default key mappings for keyboard
-    for (auto mapping : default_key_map) {
-        KeyMap::SetKeyMapping({mapping.first, keyboard_id}, mapping.second);
-    }
+    ReloadSetKeymaps();
 
     // Initialize the window
     if(glfwInit() != GL_TRUE) {
@@ -111,3 +89,22 @@ void EmuWindow_GLFW::MakeCurrent() {
 void EmuWindow_GLFW::DoneCurrent() {
     glfwMakeContextCurrent(NULL);
 }
+
+void EmuWindow_GLFW::ReloadSetKeymaps() {
+    KeyMap::SetKeyMapping({Settings::values.pad_a_key,      keyboard_id}, HID_User::PAD_A);
+    KeyMap::SetKeyMapping({Settings::values.pad_b_key,      keyboard_id}, HID_User::PAD_B);
+    KeyMap::SetKeyMapping({Settings::values.pad_select_key, keyboard_id}, HID_User::PAD_SELECT);
+    KeyMap::SetKeyMapping({Settings::values.pad_start_key,  keyboard_id}, HID_User::PAD_START);
+    KeyMap::SetKeyMapping({Settings::values.pad_dright_key, keyboard_id}, HID_User::PAD_RIGHT);
+    KeyMap::SetKeyMapping({Settings::values.pad_dleft_key,  keyboard_id}, HID_User::PAD_LEFT);
+    KeyMap::SetKeyMapping({Settings::values.pad_dup_key,    keyboard_id}, HID_User::PAD_UP);
+    KeyMap::SetKeyMapping({Settings::values.pad_ddown_key,  keyboard_id}, HID_User::PAD_DOWN);
+    KeyMap::SetKeyMapping({Settings::values.pad_r_key,      keyboard_id}, HID_User::PAD_R);
+    KeyMap::SetKeyMapping({Settings::values.pad_l_key,      keyboard_id}, HID_User::PAD_L);
+    KeyMap::SetKeyMapping({Settings::values.pad_x_key,      keyboard_id}, HID_User::PAD_X);
+    KeyMap::SetKeyMapping({Settings::values.pad_y_key,      keyboard_id}, HID_User::PAD_Y);
+    KeyMap::SetKeyMapping({Settings::values.pad_sright_key, keyboard_id}, HID_User::PAD_CIRCLE_RIGHT);
+    KeyMap::SetKeyMapping({Settings::values.pad_sleft_key,  keyboard_id}, HID_User::PAD_CIRCLE_LEFT);
+    KeyMap::SetKeyMapping({Settings::values.pad_sup_key,    keyboard_id}, HID_User::PAD_CIRCLE_UP);
+    KeyMap::SetKeyMapping({Settings::values.pad_sdown_key,  keyboard_id}, HID_User::PAD_CIRCLE_DOWN);
+}
diff --git a/src/citra/emu_window/emu_window_glfw.h b/src/citra/emu_window/emu_window_glfw.h
index 29325bb75..d38a11c2c 100644
--- a/src/citra/emu_window/emu_window_glfw.h
+++ b/src/citra/emu_window/emu_window_glfw.h
@@ -27,7 +27,11 @@ public:
 
     static void OnKeyEvent(GLFWwindow* win, int key, int scancode, int action, int mods);
 
+    void ReloadSetKeymaps() override;
+
 private:
     GLFWwindow* m_render_window; ///< Internal GLFW render window
-    int keyboard_id;             ///< Device id of keyboard for use with KeyMap
+
+    /// Device id of keyboard for use with KeyMap
+    int keyboard_id;
 };