brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "tools/sk_app/CommandSet.h" |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 9 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkCanvas.h" |
| 11 | #include "include/core/SkFont.h" |
| 12 | #include "src/core/SkTSort.h" |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 13 | |
| 14 | namespace sk_app { |
| 15 | |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 16 | CommandSet::CommandSet() |
| 17 | : fHelpMode(kNone_HelpMode) { |
| 18 | this->addCommand('h', "Overlays", "Show help screen", [this]() { |
| 19 | switch (this->fHelpMode) { |
| 20 | case kNone_HelpMode: |
| 21 | this->fHelpMode = kGrouped_HelpMode; |
| 22 | break; |
| 23 | case kGrouped_HelpMode: |
| 24 | this->fHelpMode = kAlphabetical_HelpMode; |
| 25 | break; |
| 26 | case kAlphabetical_HelpMode: |
| 27 | this->fHelpMode = kNone_HelpMode; |
| 28 | break; |
| 29 | } |
| 30 | fWindow->inval(); |
| 31 | }); |
| 32 | } |
| 33 | |
| 34 | void CommandSet::attach(Window* window) { |
| 35 | fWindow = window; |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 36 | } |
| 37 | |
Hal Canary | b1f411a | 2019-08-29 10:39:22 -0400 | [diff] [blame] | 38 | bool CommandSet::onKey(skui::Key key, skui::InputState state, skui::ModifierKey modifiers) { |
| 39 | if (skui::InputState::kDown == state) { |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 40 | for (Command& cmd : fCommands) { |
| 41 | if (Command::kKey_CommandType == cmd.fType && key == cmd.fKey) { |
| 42 | cmd.fFunction(); |
| 43 | return true; |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | return false; |
| 49 | } |
| 50 | |
Hal Canary | b1f411a | 2019-08-29 10:39:22 -0400 | [diff] [blame] | 51 | bool CommandSet::onChar(SkUnichar c, skui::ModifierKey modifiers) { |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 52 | for (Command& cmd : fCommands) { |
| 53 | if (Command::kChar_CommandType == cmd.fType && c == cmd.fChar) { |
| 54 | cmd.fFunction(); |
| 55 | return true; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | return false; |
| 60 | } |
| 61 | |
liyuqian | b73c24b | 2016-06-03 08:47:23 -0700 | [diff] [blame] | 62 | bool CommandSet::onSoftkey(const SkString& softkey) { |
| 63 | for (const Command& cmd : fCommands) { |
| 64 | if (cmd.getSoftkeyString().equals(softkey)) { |
| 65 | cmd.fFunction(); |
| 66 | return true; |
| 67 | } |
| 68 | } |
| 69 | return false; |
| 70 | } |
| 71 | |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 72 | void CommandSet::addCommand(SkUnichar c, const char* group, const char* description, |
| 73 | std::function<void(void)> function) { |
| 74 | fCommands.push_back(Command(c, group, description, function)); |
| 75 | } |
| 76 | |
Hal Canary | b1f411a | 2019-08-29 10:39:22 -0400 | [diff] [blame] | 77 | void CommandSet::addCommand(skui::Key k, const char* keyName, const char* group, |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 78 | const char* description, std::function<void(void)> function) { |
| 79 | fCommands.push_back(Command(k, keyName, group, description, function)); |
| 80 | } |
| 81 | |
Mike Klein | 8f11d4d | 2018-01-24 12:42:55 -0500 | [diff] [blame] | 82 | #if defined(SK_BUILD_FOR_WIN) |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 83 | #define SK_strcasecmp _stricmp |
| 84 | #else |
| 85 | #define SK_strcasecmp strcasecmp |
| 86 | #endif |
| 87 | |
| 88 | bool CommandSet::compareCommandKey(const Command& first, const Command& second) { |
| 89 | return SK_strcasecmp(first.fKeyName.c_str(), second.fKeyName.c_str()) < 0; |
| 90 | } |
| 91 | |
| 92 | bool CommandSet::compareCommandGroup(const Command& first, const Command& second) { |
| 93 | return SK_strcasecmp(first.fGroup.c_str(), second.fGroup.c_str()) < 0; |
| 94 | } |
| 95 | |
| 96 | void CommandSet::drawHelp(SkCanvas* canvas) { |
| 97 | if (kNone_HelpMode == fHelpMode) { |
| 98 | return; |
| 99 | } |
| 100 | |
| 101 | // Sort commands for current mode: |
| 102 | SkTQSort(fCommands.begin(), fCommands.end() - 1, |
| 103 | kAlphabetical_HelpMode == fHelpMode ? compareCommandKey : compareCommandGroup); |
| 104 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 105 | SkFont font; |
| 106 | font.setSize(16); |
| 107 | |
| 108 | SkFont groupFont; |
| 109 | groupFont.setSize(18); |
| 110 | |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 111 | SkPaint bgPaint; |
| 112 | bgPaint.setColor(0xC0000000); |
| 113 | canvas->drawPaint(bgPaint); |
| 114 | |
| 115 | SkPaint paint; |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 116 | paint.setAntiAlias(true); |
| 117 | paint.setColor(0xFFFFFFFF); |
| 118 | |
| 119 | SkPaint groupPaint; |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 120 | groupPaint.setAntiAlias(true); |
| 121 | groupPaint.setColor(0xFFFFFFFF); |
| 122 | |
| 123 | SkScalar x = SkIntToScalar(10); |
| 124 | SkScalar y = SkIntToScalar(10); |
| 125 | |
| 126 | // Measure all key strings: |
| 127 | SkScalar keyWidth = 0; |
| 128 | for (Command& cmd : fCommands) { |
| 129 | keyWidth = SkMaxScalar(keyWidth, |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 130 | font.measureText(cmd.fKeyName.c_str(), cmd.fKeyName.size(), |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 131 | SkTextEncoding::kUTF8)); |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 132 | } |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 133 | keyWidth += font.measureText(" ", 1, SkTextEncoding::kUTF8); |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 134 | |
| 135 | // If we're grouping by category, we'll be adding text height on every new group (including the |
| 136 | // first), so no need to do that here. Otherwise, skip down so the first line is where we want. |
| 137 | if (kGrouped_HelpMode != fHelpMode) { |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 138 | y += font.getSize(); |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | // Print everything: |
| 142 | SkString lastGroup; |
| 143 | for (Command& cmd : fCommands) { |
| 144 | if (kGrouped_HelpMode == fHelpMode && lastGroup != cmd.fGroup) { |
| 145 | // Group change. Advance and print header: |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 146 | y += font.getSize(); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 147 | canvas->drawSimpleText(cmd.fGroup.c_str(), cmd.fGroup.size(), SkTextEncoding::kUTF8, |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 148 | x, y, groupFont, groupPaint); |
| 149 | y += groupFont.getSize() + 2; |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 150 | lastGroup = cmd.fGroup; |
| 151 | } |
| 152 | |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 153 | canvas->drawSimpleText(cmd.fKeyName.c_str(), cmd.fKeyName.size(), SkTextEncoding::kUTF8, |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 154 | x, y, font, paint); |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 155 | SkString text = SkStringPrintf(": %s", cmd.fDescription.c_str()); |
Hal Canary | 89a644b | 2019-01-07 09:36:09 -0500 | [diff] [blame] | 156 | canvas->drawString(text, x + keyWidth, y, font, paint); |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 157 | y += font.getSize() + 2; |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 158 | } |
| 159 | } |
| 160 | |
liyuqian | b73c24b | 2016-06-03 08:47:23 -0700 | [diff] [blame] | 161 | std::vector<SkString> CommandSet::getCommandsAsSoftkeys() const { |
| 162 | std::vector<SkString> result; |
| 163 | for(const Command& command : fCommands) { |
| 164 | result.push_back(command.getSoftkeyString()); |
| 165 | } |
| 166 | return result; |
| 167 | } |
| 168 | |
brianosman | 622c8d5 | 2016-05-10 06:50:49 -0700 | [diff] [blame] | 169 | } // namespace sk_app |