1+ /*
2+ * This file is part of Universal-Updater
3+ * Copyright (C) 2019-2021 Universal-Team
4+ * Copyright (C) 2025 Alvin Wong
5+ *
6+ * This program is free software: you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License as published by
8+ * the Free Software Foundation, either version 3 of the License, or
9+ * (at your option) any later version.
10+ *
11+ * This program is distributed in the hope that it will be useful,
12+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
13+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14+ * GNU General Public License for more details.
15+ *
16+ * You should have received a copy of the GNU General Public License
17+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
18+ *
19+ * Additional Terms 7.b and 7.c of GPLv3 apply to this file:
20+ * * Requiring preservation of specified reasonable legal notices or
21+ * author attributions in that material or in the Appropriate Legal
22+ * Notices displayed by works containing it.
23+ * * Prohibiting misrepresentation of the origin of that material,
24+ * or requiring that modified versions of such material be marked in
25+ * reasonable ways as different from the original version.
26+ */
27+
28+ #include " animation.hpp"
29+ #include " common.hpp"
30+ #include " overlay.hpp"
31+ #include " qrcodegen.h"
32+
33+ extern bool touching (touchPosition touch, Structs::ButtonPos button);
34+ extern bool QueueRuns;
35+
36+ static const Structs::ButtonPos backButton{ 4 , 0 , 24 , 24 };
37+ static const Structs::ButtonPos browserButton = { 4 , 212 , 312 , 22 };
38+
39+ static std::vector<std::string> wrapUrlLines (std::string_view url, uint32_t maxLines = std::numeric_limits<uint32_t >::max()) {
40+ // Crudely line wrap the URL:
41+ std::vector<std::string> wrappedUrlLines;
42+ std::string line;
43+ size_t lastWrap = 0 ;
44+ for (size_t i = 0 ; i < url.size (); i++) {
45+ char c = url[i];
46+ line.push_back (c);
47+
48+ if (i - lastWrap < 30 ) continue ;
49+
50+ bool wrap = false ;
51+ switch (c) {
52+ case ' -'
53+ case ' /'
54+ case ' _'
55+ case ' ?'
56+ case ' ='
57+ case ' &'
58+ case ' '
59+ wrap = true ;
60+ break ;
61+ default :
62+ if (i - lastWrap >= 40 ) wrap = true ;
63+ break ;
64+ }
65+
66+ if (wrap) {
67+ if (wrappedUrlLines.size () + 1 >= maxLines) {
68+ line.append (" ..."
69+ break ;
70+ }
71+ if (line[line.size () - 1 ] == ' '
72+ // add keyboard return symbol to visualize whitespace
73+ line.append (" \uE056 "
74+ }
75+ wrappedUrlLines.emplace_back (std::move (line));
76+ lastWrap = i;
77+ }
78+ }
79+ if (!line.empty ()) wrappedUrlLines.emplace_back (std::move (line));
80+ return wrappedUrlLines;
81+ }
82+
83+ /* Show a QR Code URL. */
84+ void Overlays::ShowQrCodeUrl (const std::string &title, const std::string &url) {
85+
86+ std::unique_ptr<uint8_t []> qrcode = std::make_unique<uint8_t []>(qrcodegen_BUFFER_LEN_MAX);
87+ std::unique_ptr<uint8_t []> tempBuffer = std::make_unique<uint8_t []>(qrcodegen_BUFFER_LEN_MAX);
88+ bool ok = qrcodegen_encodeText (url.c_str (), tempBuffer.get (), qrcode.get (), qrcodegen_Ecc_LOW, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true );
89+ if (!ok) {
90+ Msg::DisplayMsg (Lang::get (" QR_CODE_GEN_FAILED"
91+ return ;
92+ }
93+
94+ int size = qrcodegen_getSize (qrcode.get ());
95+ if (size <= 0 || size > 256 ) {
96+ Msg::DisplayMsg (Lang::get (" QR_CODE_GEN_FAILED"
97+ return ;
98+ }
99+
100+ C3D_Tex tex;
101+
102+ C3D_TexInit (&tex, 256 , 256 , GPU_TEXCOLOR::GPU_A8);
103+ C3D_TexSetFilter (&tex, GPU_NEAREST, GPU_NEAREST);
104+ C3D_TexSetWrap (&tex, GPU_CLAMP_TO_EDGE, GPU_CLAMP_TO_EDGE);
105+
106+ for (int x = 0 ; x < size; x++) {
107+ for (int y = 0 ; y < size; y++) {
108+ const u32 dstPos = ((((y >> 3 ) * (256 >> 3 ) + (x >> 3 )) << 6 ) +
109+ ((x & 1 ) | ((y & 1 ) << 1 ) | ((x & 2 ) << 1 ) | ((y & 2 ) << 2 ) |
110+ ((x & 4 ) << 2 ) | ((y & 4 ) << 3 )));
111+
112+ ((uint8_t *)tex.data )[dstPos] = qrcodegen_getModule (qrcode.get (), x, y) ? 255 : 0 ;
113+ }
114+ }
115+
116+ constexpr int border = 4 ;
117+ int scale = 240 / (size + border * 2 );
118+ int drawSize = size * scale;
119+ int drawX = (400 - drawSize) / 2 ;
120+ int drawY = (240 - drawSize) / 2 ;
121+ int drawBorder = border * scale;
122+
123+ C2D_Image qrImage;
124+ Tex3DS_SubTexture subtex{(u16 )drawSize, (u16 )drawSize, 0 .0f , 1 .0f , size / 256 .f , 1 .0f - (size / 256 .f )};
125+ qrImage.tex = &tex;
126+ qrImage.subtex = &subtex;
127+ C2D_Tint tint{
128+ .color = BLACK,
129+ .blend = 1 .f ,
130+ };
131+ C2D_ImageTint imageTint{
132+ .corners = {tint, tint, tint, tint},
133+ };
134+
135+ std::vector<std::string> wrappedUrlLines = wrapUrlLines (url, 8 );
136+
137+ bool doOut = false ;
138+
139+ while (!doOut && aptMainLoop ()) {
140+ Gui::clearTextBufs ();
141+ C3D_FrameBegin (C3D_FRAME_SYNCDRAW);
142+ C2D_TargetClear (Top, TRANSPARENT);
143+ C2D_TargetClear (Bottom, TRANSPARENT);
144+
145+ // Not using GFX::DrawTop because the QR doesn't fit as
146+ // nicely with the border.
147+ Gui::ScreenDraw (Top);
148+ Gui::Draw_Rect (0 , 0 , 400 , 240 , UIThemes->BGColor ());
149+
150+ C2D_DrawRectSolid (drawX - drawBorder, drawY - drawBorder, 0 .75f , drawSize + drawBorder * 2 , drawSize + drawBorder * 2 , WHITE);
151+ C2D_DrawImageAt (qrImage, drawX, drawY, 1 .f , &imageTint);
152+
153+ Animation::QueueEntryDone ();
154+ GFX::DrawBottom ();
155+ Gui::Draw_Rect (0 , 0 , 320 , 25 , UIThemes->BarColor ());
156+ Gui::Draw_Rect (0 , 25 , 320 , 1 , UIThemes->BarOutline ());
157+ GFX::DrawIcon (sprites_arrow_idx, backButton.x , backButton.y , UIThemes->TextColor ());
158+ Gui::DrawStringCentered (0 , 2 , 0.6 , UIThemes->TextColor (), title, 310 , 0 , font);
159+
160+ int y = 34 ;
161+ for (const std::string &urlLine : wrappedUrlLines) {
162+ Gui::DrawStringCentered (0 , y, 0 .6f , UIThemes->TextColor (), urlLine, 312 , 0 , font);
163+ y += 20 ;
164+ if (y >= browserButton.y ) break ;
165+ }
166+
167+ const bool browserAllowed = !QueueRuns && aptIsHomeAllowed ();
168+ Gui::Draw_Rect (browserButton.x , browserButton.y , browserButton.w , browserButton.h , browserAllowed ? UIThemes->MarkSelected () : UIThemes->MarkUnselected ());
169+ Gui::DrawStringCentered (0 , browserButton.y + 4 , 0 .45f , UIThemes->TextColor (), Lang::get (" OPEN_URL_WEB_BROWSER" 255 , 0 , font);
170+
171+ C3D_FrameEnd (0 );
172+
173+ hidScanInput ();
174+ touchPosition touch;
175+ hidTouchRead (&touch);
176+ Animation::HandleQueueEntryDone ();
177+
178+ if ((hidKeysDown () & KEY_START) || (hidKeysDown () & KEY_B) || (hidKeysDown () & KEY_A) || (hidKeysDown () & KEY_TOUCH && touching (touch, backButton))) doOut = true ;
179+
180+ if ((hidKeysDown () & KEY_SELECT) || (hidKeysDown () & KEY_TOUCH && touching (touch, browserButton))) {
181+ if (browserAllowed) {
182+ char *buf = new char [0x1000 ]; // Needs to be this size size it gets memcpy'd to
183+ int length = url.size ();
184+ memcpy (buf, url.c_str (), length);
185+ buf[length] = 0 ;
186+ aptLaunchSystemApplet (APPID_WEB, buf, length + 1 , 0 );
187+
188+ delete[] buf;
189+
190+ doOut = true ;
191+ } else {
192+ Msg::waitMsg (Lang::get (" OPEN_URL_WEB_BROWSER_DISABLED"
193+ }
194+ }
195+ }
196+
197+ C3D_TexDelete (&tex);
198+ }
0 commit comments