xref: /haiku/src/apps/haikudepot/util/LanguageMenuUtils.cpp (revision fc7456e9b1ec38c941134ed6d01c438cf289381e)
1 /*
2  * Copyright 2019-2024, Andrew Lindesay <apl@lindesay.co.nz>.
3  * All rights reserved. Distributed under the terms of the MIT License.
4  */
5 #include "LanguageMenuUtils.h"
6 
7 #include <algorithm>
8 
9 #include <string.h>
10 
11 #include <Application.h>
12 #include <Collator.h>
13 #include <MenuItem.h>
14 #include <Messenger.h>
15 
16 #include "AppUtils.h"
17 #include "HaikuDepotConstants.h"
18 #include "LocaleUtils.h"
19 #include "Logger.h"
20 
21 
22 static const char* kLanguageIdKey = "id";
23 
24 
25 /*! This method will add the supplied languages to the menu.  It will
26     add first the popular languages, followed by a separator and then
27     other less popular languages.
28 */
29 
30 /* static */ void
31 LanguageMenuUtils::AddLanguagesToMenu(const LanguageRepository* repository, BMenu* menu)
32 {
33 	if (repository->IsEmpty())
34 		HDINFO("there are no languages defined");
35 
36 	// collect all of the languages into a vector so that they can be sorted
37 	// and used.
38 
39 	int32 count = repository->CountLanguages();
40 	std::vector<LanguageRef> languages(count);
41 
42 	for (int32 i = count - 1; i >= 0; i--)
43 		languages[i] = repository->LanguageAtIndex(i);
44 
45 	std::sort(languages.begin(), languages.end(), IsLanguageBefore);
46 
47 	// now add the sorted languages to the menu.
48 
49 	int32 addedPopular = LanguageMenuUtils::_AddLanguagesToMenu(languages, menu, true);
50 
51 	if (addedPopular > 0)
52 		menu->AddSeparatorItem();
53 
54 	int32 addedNonPopular = LanguageMenuUtils::_AddLanguagesToMenu(languages, menu, false);
55 
56 	HDDEBUG("did add %" B_PRId32 " popular languages and %" B_PRId32
57 		" non-popular languages to a menu", addedPopular,
58 		addedNonPopular);
59 }
60 
61 
62 /* static */ void
63 LanguageMenuUtils::MarkLanguageInMenu(
64 	const BString& languageId, BMenu* menu) {
65 	AppUtils::MarkItemWithKeyValueInMenuOrFirst(menu, kLanguageIdKey, languageId);
66 }
67 
68 
69 /* static */ void
70 LanguageMenuUtils::_AddLanguageToMenu(
71 	const BString& id, const BString& name, BMenu* menu)
72 {
73 	BMessage* message = new BMessage(MSG_LANGUAGE_SELECTED);
74 	message->AddString(kLanguageIdKey, id);
75 	BMenuItem* item = new BMenuItem(name, message);
76 	menu->AddItem(item);
77 }
78 
79 
80 /* static */ void
81 LanguageMenuUtils::_AddLanguageToMenu(
82 	const LanguageRef& language, BMenu* menu)
83 {
84 	BString name;
85 	if (language->GetName(name) != B_OK || name.IsEmpty())
86 		name.SetTo("???");
87 	LanguageMenuUtils::_AddLanguageToMenu(language->ID(), name, menu);
88 }
89 
90 
91 /* static */ int32
92 LanguageMenuUtils::_AddLanguagesToMenu(const std::vector<LanguageRef>& languages,
93 	BMenu* menu, bool isPopular)
94 {
95 	int32 count = 0;
96 
97 	for (uint32 i = 0; i < languages.size(); i++) {
98 		const LanguageRef language = languages[i];
99 
100 		if (languages[i]->IsPopular() == isPopular) {
101 			LanguageMenuUtils::_AddLanguageToMenu(languages[i], menu);
102 			count++;
103 		}
104 	}
105 
106 	return count;
107 }
108 
109 
110 /*static*/ int
111 LanguageMenuUtils::_LanguagesPresentationCompareFn(const LanguageRef& l1, const LanguageRef& l2)
112 {
113 	BCollator* collator = LocaleUtils::GetSharedCollator();
114 	BString name1;
115 	BString name2;
116 	int32 result = 0;
117 
118 	if (l1->GetName(name1) == B_OK && l2->GetName(name2) == B_OK)
119 		result = collator->Compare(name1.String(), name2.String());
120 	if (0 == result)
121 		result = strcmp(l1->ID(), l2->ID());
122 
123 	return result;
124 }
125 
126 
127 /*static*/ bool
128 LanguageMenuUtils::_IsLanguagePresentationBefore(const LanguageRef& l1, const LanguageRef& l2)
129 {
130 	return _LanguagesPresentationCompareFn(l1, l2) < 0;
131 }