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1 /* We actually DON'T need Objective-C for most of this file.
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2 * GetWindowTitle() is the only function that really needs it.
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3 * (and even then, we can use the C bindings for it...)
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4 *
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5 * However, being able to use the Foundation classes makes things
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6 * so, so, so much easier, and so I've decided to make this file
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7 * in Objective-C++.
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8 */
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9 #include "animia/win/quartz.h"
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10 #include "animia.h"
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11
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12 #include <objc/runtime.h>
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13 #include <objc/message.h>
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14
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15 #include <CoreFoundation/CoreFoundation.h>
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16 #include <CoreGraphics/CoreGraphics.h>
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17 #include <Carbon/Carbon.h>
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18
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19 namespace animia::internal::quartz {
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20
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21 static bool GetWindowTitle(unsigned int wid, std::string& result) {
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22 // id app = [NSApplication sharedApplication];
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23 id app = cls_msg(cls("NSApplication"), sel("sharedApplication"));
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24
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25 // id window = [app windowWithWindowNumber: wid];
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26 id window = msg(app, sel("windowWithWindowNumber:"), wid);
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27
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28 // return [[window title] UTF8String];
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29 return StringFromCFString(reinterpret_cast<CFStringRef>(msg(window, "title")), result);
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30 }
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31
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32 bool QuartzWinTools::EnumerateWindows(window_proc_t window_proc) {
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33 if (!window_proc)
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34 return false;
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35
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36 CFArrayRef windows = CGWindowListCopyWindowInfo(kCGWindowListOptionAll, kCGNullWindowID);
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37 if (!windows)
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38 return false;
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39
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40 CFIndex i = 0; count = CFArrayGetCount(windows);
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41 for (; i < count; i++) {
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42 CFDictionaryRef window = CFArrayGetValueAtIndex(windows, i);
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43 if (!window)
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44 continue;
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45
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46 Process proc;
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47 {
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48 {
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49 CFNumber num;
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50 CFDictionaryGetValueIfPresent(window, "kCGWindowOwnerPID", &num);
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51 osx::util::GetCFNumber(num, proc.pid);
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52 }
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53 {
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54 CFStringRef str;
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55 CFDictionaryGetValueIfPresent(window, "kCGWindowOwnerName", &str);
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56 osx::util::StringFromCFString(str, proc.name);
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57 }
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58 if (proc.name.empty())
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59 osx::util::GetProcessName(proc.pid, proc.name);
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60 }
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61
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62 Window win;
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63 {
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64 {
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65 CFNumber num;
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66 CFDictionaryGetValueIfPresent(window, "kCGWindowNumber", &num);
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67 osx::util::GetCFNumber(num, win.id);
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68 }
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69 {
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70 CFStringRef str;
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71 CFDictionaryGetValueIfPresent(window, "kCGWindowName", &str);
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72 osx::util::GetCFNumber(str, win.class_name);
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73 }
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74 GetWindowTitle(win.id, win.text);
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75 }
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76
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77 if (!window_proc(proc, win))
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78 return false;
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79 }
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80
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81 return true;
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82 }
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83
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84 } // namespace animia::win::detail
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