implement clipboard on iOS

PanoPainter/GameViewController.h

@@ -35,4 +35,6 @@
 - (void)share_file:(NSString*)file_path;
 - (void)tick;
 - (void)render_loop;
+- (std::string)clipboard_get_string;
+- (bool)clipboard_set_string:(const std::string&)s;
 @end

PanoPainter/GameViewController.m

@@ -44,6 +44,18 @@ NSThread* lock_thread;
 std::recursive_mutex lock_mutex;
 
 @implementation GameViewController
+- (std::string)clipboard_get_string
+{
+    NSString* ns = [[UIPasteboard generalPasteboard] string];
+    const char* ptr = [ns cStringUsingEncoding:NSUTF8StringEncoding];
+    return std::string(ptr);
+}
+- (bool)clipboard_set_string:(const std::string &)s
+{
+    NSString* ns = [NSString stringWithUTF8String:s.c_str()];
+    [[UIPasteboard generalPasteboard] setString:ns];
+    return true;
+}
 - (void)crash
 {
     AppDelegate* app = (AppDelegate*)[[UIApplication sharedApplication] delegate];

src/app.h

@@ -144,6 +144,8 @@ public:
     struct android_app* and_app;
     struct engine* and_engine;
 #endif
+    std::string clipboard_get_text();
+    bool clipboard_set_text(const std::string& s);
     void pick_image(std::function<void(std::string path)> callback);
     void pick_file(std::vector<std::string> types, std::function<void(std::string path)> callback);
     void pick_dir(std::function<void(std::string path)> callback);

src/app_events.cpp

@@ -8,8 +8,30 @@ void android_pick_file(android_app* mApplication, std::function<void(std::string
 std::string win32_open_file(const char* filter);
 std::string win32_open_dir();
 void win32_show_cursor(bool visible);
+bool win32_clipboard_set_text(const std::string & s);
+std::string win32_clipboard_get_text();
 #endif
 
+
+std::string App::clipboard_get_text()
+{
+#if _WIN32
+    return win32_clipboard_get_text();
+#elif __IOS__
+    return [ios_view clipboard_get_string];
+#endif
+}
+
+bool App::clipboard_set_text(const std::string& s)
+{
+#if _WIN32
+    return win32_clipboard_set_text(s);
+#elif __IOS__
+    return [ios_view clipboard_set_string:s];
+#endif
+}
+
+
 void App::crash_test()
 {
 #ifdef __IOS__

src/node_dialog_picker.cpp

@@ -1,8 +1,10 @@
 #include "pch.h"
 #include "log.h"
 #include "util.h"
+#include "app.h"
 #include "canvas.h"
 #include "node_dialog_picker.h"
+#include <stdlib.h>
 
 Node* NodeColorPicker::clone_instantiate() const
 {
@@ -90,7 +92,7 @@ void NodeColorPicker::init_controls()
 
     m_btn_paste->on_click = [this](Node*)
     {
-        std::string s = clipboard_get_text();
+        std::string s = App::I.clipboard_get_text();
         std::regex r("#([\\dabcdefABCDEF]{6})");
         std::smatch m;
         if (std::regex_search(s, m, r))
@@ -106,7 +108,7 @@ void NodeColorPicker::init_controls()
 
     m_btn_copy->on_click = [this](Node*)
     {
-        clipboard_set_text(m_txt_hex->m_text);
+        App::I.clipboard_set_text(m_txt_hex->m_text);
     };
 
     m_wheel->on_value_changed = [this](Node*, glm::vec3 hsv)
@@ -164,7 +166,7 @@ void NodeColorPicker::init_controls()
 void NodeColorPicker::update_hex(glm::vec3 rgb)
 {
     char tmp[32];
-    ultoa(convert_rgb_long(rgb), tmp, 16);
+    snprintf(tmp, sizeof(tmp), "%xul", convert_rgb_long(rgb));
     m_txt_hex->set_text_format("#%s", tmp);
 }
 

src/util.cpp

@@ -610,24 +610,6 @@ std::string str_replace(const std::string& string, const std::string& search, co
     return ret;
 }
 
-std::string clipboard_get_text()
-{
-#if _WIN32
-    extern std::string win32_clipboard_get_text();
-    return win32_clipboard_get_text();
-#elif _IOS_
-#endif
-}
-
-bool clipboard_set_text(const std::string& s)
-{
-#if _WIN32
-    extern bool win32_clipboard_set_text(const std::string & s);
-    return win32_clipboard_set_text(s);
-#elif _IOS_
-#endif
-}
-
 static const char* gl2str(GLenum err)
 {
     switch (err)

src/util.h

@@ -82,9 +82,6 @@ std::string wstr2str(const std::wstring& wstr);
 bool str_iequals(const std::string& a, const std::string& b);
 std::string str_replace(const std::string& string, const std::string& search, const std::string& replace);
 
-std::string clipboard_get_text();
-bool clipboard_set_text(const std::string& s);
-
 size_t curl_data_handler(void *contents, size_t size, size_t nmemb, void *userp);
 size_t curl_data_write(void *ptr, size_t size, size_t nmemb, FILE *stream);
 void check_OpenGLError(const char* stmt, const char* fname, int line);