diff options
Diffstat (limited to 'ui.h')
| -rw-r--r-- | ui.h | 110 |
1 files changed, 76 insertions, 34 deletions
@@ -295,6 +295,28 @@ preprocess_markdown(Arena* ScratchArena, wchar_t* Text, u32 Len) return Result; } +u32 InputBoxMarginX = 1; +u32 InputBoxPaddingX = 1; +#define INPUT_BOX_BORDER_WIDTH 1 +#define INPUT_BOX_MIN_TEXT_WIDTH 1 +#define INPUT_BOX_MIN_TEXT_HEIGHT 1 + +u32 +GetInputBoxMinimumWidth() +{ + return InputBoxPaddingX * 2 + + InputBoxMarginX * 2 + + INPUT_BOX_BORDER_WIDTH * 2 + + INPUT_BOX_MIN_TEXT_WIDTH; +} + +u32 +GetInputBoxMinimumHeight() +{ + return INPUT_BOX_BORDER_WIDTH * 2 + + INPUT_BOX_MIN_TEXT_HEIGHT; +} + void InputBox(u32 BoxX, u32 BoxY, u32 BoxWidth, u32 BoxHeight, wchar_t *Text, u32 TextLen, @@ -308,17 +330,9 @@ InputBox(u32 BoxX, u32 BoxY, u32 BoxWidth, u32 BoxHeight, // P -> padding (symmetric) // M -> margin (symmetric) - // Configuration options - u32 MarginX = 1; - u32 PaddingX = 1; - u32 MinTextSpace = 3; - u32 BorderWidth = 1; - - // TODO: return early if there is not enough space - if (BoxHeight < 3) - return; - if (BoxWidth < MarginX * 2 + PaddingX * 2 + MinTextSpace) - return; + u32 MarginX = InputBoxMarginX; + u32 PaddingX = InputBoxPaddingX; + u32 BorderWidth = INPUT_BOX_BORDER_WIDTH; // Get 0-based coordinate BoxWidth -= 2* MarginX; @@ -370,35 +384,63 @@ InputBox(u32 BoxX, u32 BoxY, u32 BoxWidth, u32 BoxHeight, u32 TextHeight = BoxHeight - BorderWidth * 2 + 1; u32 TextDisplaySize = TextWidth * TextHeight; - u32 At = 0; - // If there is not enough space to fit the text scroll one line by advancing by textwidth. - if (TextLen >= TextDisplaySize) - { - // TextHeight - 1 : scroll by one line - At = (TextLen / TextWidth - (TextHeight - 1)) * TextWidth; - } - -#ifdef DEBUG - tb_printf(BoxX + 1, BoxY, 0, 0, "%d/%d %dx%d %d", TextLen, MAX_INPUT_LEN, TextWidth, TextHeight, At); -#endif - - // Keep if needed for cursor position + // XOffset and YOffset are needed for setting the cursor position u32 XOffset = 0, YOffset = 0; - while (At < TextLen) + u32 TextOffset = 0; + + // If there is more than one line, implement vertical wrapping otherwise scroll the text + // horizontally. + if (TextHeight > 1) { - for (YOffset = 0; - YOffset < TextHeight && At < TextLen; - YOffset++) + // If there is not enough space to fit the text scroll one line by advancing by textwidth. + if (TextLen >= TextDisplaySize) + { + // TextHeight - 1 : scroll by one line + TextOffset = (TextLen / TextWidth - (TextHeight - 1)) * TextWidth; + } + + // Print the text + while (TextOffset < TextLen) { - for (XOffset = 0; - XOffset < TextWidth && At < TextLen; - XOffset++) + for (YOffset = 0; + YOffset < TextHeight && TextOffset < TextLen; + YOffset++) { - tb_printf(TextX + XOffset, TextY + YOffset, 0, 0, "%lc", Text[At]); - At++; + for (XOffset = 0; + XOffset < TextWidth && TextOffset < TextLen; + XOffset++) + { + tb_printf(TextX + XOffset, TextY + YOffset, 0, 0, "%lc", Text[TextOffset]); + TextOffset++; + } } } } + else + { + // Scrooll the text horizontally + if (TextLen >= TextDisplaySize) + { + TextOffset = TextLen - TextWidth; + XOffset = TextWidth; + } + else + { + XOffset = TextLen; + } + YOffset = 1; + tb_printf(TextX, TextY, 0, 0, "%ls", Text + TextOffset); + } + +#ifdef DEBUG + tb_printf(BoxX + 1, BoxY, 0, 0, "%d/%d [%dx%d] %dx%d %d (%d,%d)+(%d,%d)", + TextLen, MAX_INPUT_LEN, + BoxWidth, BoxHeight, + TextWidth, TextHeight, + TextOffset, + TextX, TextY, + XOffset, YOffset); +#endif // Set the cursor if (Focused) @@ -409,7 +451,7 @@ InputBox(u32 BoxX, u32 BoxY, u32 BoxWidth, u32 BoxHeight, global.cursor_x = TextX; global.cursor_y = TextY; } - else if (TextLen % TextWidth == 0) + else if (TextLen % TextWidth == 0 && TextHeight > 1) { // When at the end of width put the cursor on the next line global.cursor_x = TextX; |