comparison: sources/interface.cpp
sources/interface.cpp
- changeset 23
- f7221183a994
- parent 20
- 5f8cdc8febbb
- child 24
- e651d02802c0
equal
deleted
inserted
replaced
| 22:77d02446edf0 | 23:f7221183a994 |
|---|---|
| 43 static bool g_needOutputRender = false; | 43 static bool g_needOutputRender = false; |
| 44 static String g_statusBarText; | 44 static String g_statusBarText; |
| 45 static struct { char ch; int x; } g_cursorChar; | 45 static struct { char ch; int x; } g_cursorChar; |
| 46 static Vector<String> g_output = {""}; | 46 static Vector<String> g_output = {""}; |
| 47 static int g_outputScroll = 0; | 47 static int g_outputScroll = 0; |
| 48 static String g_title; | |
| 48 | 49 |
| 49 // ------------------------------------------------------------------------------------------------- | 50 // ------------------------------------------------------------------------------------------------- |
| 50 // | 51 // |
| 51 static FUNCTION | 52 static FUNCTION |
| 52 interface_color_pair (Color fg, Color bg) -> int | 53 interface_color_pair (Color fg, Color bg) -> int |
| 64 ::raw(); | 65 ::raw(); |
| 65 ::keypad (stdscr, true); | 66 ::keypad (stdscr, true); |
| 66 ::noecho(); | 67 ::noecho(); |
| 67 ::refresh(); | 68 ::refresh(); |
| 68 ::timeout (0); | 69 ::timeout (0); |
| 70 g_title = format (APPNAME " %1 (%2)", full_version_string(), changeset_date_string()); | |
| 69 | 71 |
| 70 for (int i = 0; i < NUM_COLORS; ++i) | 72 for (int i = 0; i < NUM_COLORS; ++i) |
| 71 for (int j = 0; j < NUM_COLORS; ++j) | 73 for (int j = 0; j < NUM_COLORS; ++j) |
| 72 { | 74 { |
| 73 init_pair ((i * NUM_COLORS + j), | 75 init_pair ((i * NUM_COLORS + j), |
| 89 } | 91 } |
| 90 | 92 |
| 91 // ------------------------------------------------------------------------------------------------- | 93 // ------------------------------------------------------------------------------------------------- |
| 92 // | 94 // |
| 93 static FUNCTION | 95 static FUNCTION |
| 94 interface_clear_titlebar() -> void | |
| 95 { | |
| 96 int pair = interface_color_pair (WHITE, BLUE); | |
| 97 attron (pair); | |
| 98 mvhline (0, 0, ' ', COLS); | |
| 99 attroff (pair); | |
| 100 } | |
| 101 | |
| 102 // ------------------------------------------------------------------------------------------------- | |
| 103 // | |
| 104 static FUNCTION | |
| 105 interface_render_titlebar() -> void | 96 interface_render_titlebar() -> void |
| 106 { | 97 { |
| 107 String versionText = format (APPNAME " %1 (%2)", | 98 if (g_title.length() <= COLS) |
| 108 full_version_string(), changeset_date_string()); | |
| 109 | |
| 110 if (versionText.length() <= COLS) | |
| 111 { | 99 { |
| 112 int pair = interface_color_pair (WHITE, BLUE); | 100 int pair = interface_color_pair (WHITE, BLUE); |
| 101 int startx = (COLS - g_title.length()) / 2; | |
| 102 int endx = startx + g_title.length(); | |
| 103 print ("startx: %1, endx: %2\n", startx, endx); | |
| 104 | |
| 113 attron (pair); | 105 attron (pair); |
| 114 mvprintw (0, (COLS - versionText.length()) / 2, "%s", versionText.chars()); | 106 mvprintw (0, startx, "%s", g_title.chars()); |
| 107 mvhline (0, 0, ' ', startx); | |
| 108 mvhline (0, endx, ' ', COLS - endx); | |
| 115 attroff (pair); | 109 attroff (pair); |
| 116 } | 110 } |
| 111 | |
| 112 g_needRefresh = true; | |
| 113 } | |
| 114 | |
| 115 // ------------------------------------------------------------------------------------------------- | |
| 116 // | |
| 117 FUNCTION | |
| 118 Interface::set_title (const String& title) -> void | |
| 119 { | |
| 120 g_title = title; | |
| 121 interface_render_titlebar(); | |
| 117 } | 122 } |
| 118 | 123 |
| 119 // ------------------------------------------------------------------------------------------------- | 124 // ------------------------------------------------------------------------------------------------- |
| 120 // | 125 // |
| 121 static FUNCTION | 126 static FUNCTION |
| 146 // ------------------------------------------------------------------------------------------------- | 151 // ------------------------------------------------------------------------------------------------- |
| 147 // | 152 // |
| 148 static FUNCTION | 153 static FUNCTION |
| 149 interface_render_input() -> void | 154 interface_render_input() -> void |
| 150 { | 155 { |
| 151 static char prompt[] = "> "; | 156 static char prompt[] = ">"; |
| 152 int displaylength = COLS - strlen (prompt) - 1; | 157 int displaylength = COLS - strlen (prompt) - 2; |
| 153 int y = LINES - 2; | 158 int y = LINES - 2; |
| 154 | 159 |
| 155 // Ensure the cursor is within bounds | 160 // Ensure the cursor is within bounds |
| 156 g_cursor = clamp (g_cursor, 0, g_input.length()); | 161 g_cursor = clamp (g_cursor, 0, g_input.length()); |
| 157 | 162 |
| 162 g_pan = g_cursor; // cursor went past the pan value to the left | 167 g_pan = g_cursor; // cursor went past the pan value to the left |
| 163 | 168 |
| 164 int start = g_pan; | 169 int start = g_pan; |
| 165 int end = min<int> (g_input.length(), start + displaylength); | 170 int end = min<int> (g_input.length(), start + displaylength); |
| 166 assert (g_cursor >= start and g_cursor <= end); | 171 assert (g_cursor >= start and g_cursor <= end); |
| 167 String displayTextBegin = g_input.mid (start, g_cursor); | |
| 168 String displayTextEnd = g_input.mid (g_cursor, end); | |
| 169 | 172 |
| 170 // Clear, but only as much as is necessary. I want to avoid clearing the entire line to save | 173 // Clear, but only as much as is necessary. I want to avoid clearing the entire line to save |
| 171 // bandwidth over SSH connections. Perhaps needlessly? I'm paranoid. | 174 // bandwidth over SSH connections. Perhaps needlessly? I'm paranoid. |
| 172 int renderLength = strlen (prompt) + displayTextBegin.length() + displayTextEnd.length(); | 175 int renderLength = strlen (prompt) + 1 + g_input.length(); |
| 173 static int lastRenderLength = 0; | 176 static int lastRenderLength = 0; |
| 174 | 177 |
| 175 if (lastRenderLength > renderLength) | 178 if (lastRenderLength > renderLength) |
| 176 mvhline (y, renderLength, ' ', lastRenderLength - renderLength); | 179 mvhline (y, renderLength, ' ', lastRenderLength - renderLength); |
| 177 | 180 |
| 178 lastRenderLength = renderLength; | 181 lastRenderLength = renderLength; |
| 179 | 182 |
| 180 // Render the input line, with the part of the input string that's before the cursor written | 183 // Render the input line, with the part of the input string that's before the cursor written |
| 181 // AFTER the part that comes afterwards. This is to ensure that the cursor is placed at the | 184 // AFTER the part that comes afterwards. This is to ensure that the cursor is placed at the |
| 182 // position where our cursor is. It looks nice like that. :) | 185 // position where our cursor is. It looks nice like that. :) |
| 186 | |
| 187 int pair = interface_color_pair (WHITE, BLUE); | |
| 188 attron (pair); | |
| 183 mvprintw (y, 0, "%s", prompt); | 189 mvprintw (y, 0, "%s", prompt); |
| 184 mvprintw (y, strlen (prompt) + displayTextBegin.length(), "%s", displayTextEnd.chars()); | 190 attroff (pair); |
| 185 mvprintw (y, strlen (prompt), "%s", displayTextBegin.chars()); | 191 mvprintw (y, strlen (prompt) + 1, "%s", g_input.chars()); |
| 186 g_cursorChar.ch = g_cursor != 0 ? g_input[g_cursor - 1] : '\0'; | 192 g_cursorChar.ch = g_cursor != 0 ? g_input[g_cursor - 1] : '\0'; |
| 187 g_cursorChar.x = strlen (prompt) + displayTextBegin.length() - 1; | 193 g_cursorChar.x = strlen (prompt) + (g_cursor - g_pan); |
| 188 g_needRefresh = true; | 194 g_needRefresh = true; |
| 189 g_needInputRender = false; | 195 g_needInputRender = false; |
| 190 } | 196 } |
| 191 | 197 |
| 192 // ------------------------------------------------------------------------------------------------- | 198 // ------------------------------------------------------------------------------------------------- |
| 213 // ------------------------------------------------------------------------------------------------- | 219 // ------------------------------------------------------------------------------------------------- |
| 214 // | 220 // |
| 215 FUNCTION | 221 FUNCTION |
| 216 Interface::render_full() -> void | 222 Interface::render_full() -> void |
| 217 { | 223 { |
| 218 interface_clear_titlebar(); | |
| 219 interface_render_titlebar(); | 224 interface_render_titlebar(); |
| 220 interface_render_output(); | 225 interface_render_output(); |
| 221 interface_render_statusbar(); | 226 interface_render_statusbar(); |
| 222 interface_render_input(); | 227 interface_render_input(); |
| 223 } | 228 } |
