From 168d7c4f171b44b0e3cd4ef78bc4e6b5e8181953 Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <thiago@mapbox.com>
Date: Wed, 6 May 2015 15:22:43 +0300
Subject: Add style change functionality to the Linux test app

Makes the life of people using Linux as development environment way
easier.

Just press 's' to cycle through 3 different styles.
---
 linux/main.cpp          | 19 ++++++++++++++++++-
 linux/mapboxgl-app.gypi |  3 +++
 2 files changed, 21 insertions(+), 1 deletion(-)

(limited to 'linux')

diff --git a/linux/main.cpp b/linux/main.cpp
index 738bbfb0aa..2361c996d6 100644
--- a/linux/main.cpp
+++ b/linux/main.cpp
@@ -1,4 +1,5 @@
 #include <mbgl/mbgl.hpp>
+#include "../platform/default/default_styles.hpp"
 #include <mbgl/util/std.hpp>
 #include <mbgl/util/uv.hpp>
 #include <mbgl/platform/log.hpp>
@@ -13,9 +14,12 @@
 #include <fstream>
 #include <sstream>
 
+namespace {
 
 std::unique_ptr<GLFWView> view;
 
+}
+
 void quit_handler(int) {
     if (view) {
         mbgl::Log::Info(mbgl::Event::Setup, "waiting for quit...");
@@ -75,6 +79,19 @@ int main(int argc, char *argv[]) {
     map.setBearing(settings.bearing);
     map.setDebug(settings.debug);
 
+    view->setChangeStyleCallback([&map] () {
+        static uint8_t currentStyleIndex;
+
+        if (++currentStyleIndex == mbgl::util::defaultStyles.size()) {
+            currentStyleIndex = 0;
+        }
+
+        const auto& newStyle = mbgl::util::defaultStyles[currentStyleIndex];
+        map.setStyleURL(newStyle.first);
+
+        mbgl::Log::Info(mbgl::Event::Setup, std::string("Changed style to: ") + newStyle.first);
+    });
+
     // Set access token if present
     const char *token = getenv("MAPBOX_ACCESS_TOKEN");
     if (token == nullptr) {
@@ -85,7 +102,7 @@ int main(int argc, char *argv[]) {
 
     // Load style
     if (style.empty()) {
-        style = std::string("asset://") + std::string("styles/bright-v7.json");
+        style = mbgl::util::defaultStyles.front().first;
     }
 
     map.setStyleURL(style);
diff --git a/linux/mapboxgl-app.gypi b/linux/mapboxgl-app.gypi
index ec3c5d5fec..35ca322e29 100644
--- a/linux/mapboxgl-app.gypi
+++ b/linux/mapboxgl-app.gypi
@@ -20,8 +20,11 @@
       'sources': [
         'main.cpp',
         '../platform/default/settings_json.cpp',
+        '../platform/default/glfw_view.hpp',
         '../platform/default/glfw_view.cpp',
         '../platform/default/log_stderr.cpp',
+        '../platform/default/default_styles.hpp',
+        '../platform/default/default_styles.cpp',
       ],
 
       'variables' : {
-- 
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