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REVIEWING: GuiTextBoxMulti() and GuiDrawText() -WIP-

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Support vertical alignment of text inside bounds!
This commit is contained in:
Ray
2023-04-18 00:57:47 +02:00
parent bb17983e22
commit f343f0057c
1 changed files with 26 additions and 21 deletions
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47
src/raygui.h
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@ -127,13 +127,15 @@
*
*
* VERSIONS HISTORY:
* 3.5 (xx-xxx-2022) ADDED: Multiple new icons, useful for code editing tools
* ADDED: GuiTabBar(), based on GuiToggle()
* 3.5 (20-May-2023) ADDED: GuiTabBar(), based on GuiToggle()
* ADDED: Helper functions to split text in separate lines
* ADDED: Multiple new icons, useful for code editing tools
* REMOVED: Unneeded icon editing functions
* REDESIGNED: GuiDrawText() to divide drawing by lines
* REMOVED: MeasureTextEx() dependency, logic directly implemented
* REMOVED: DrawTextEx() dependency, logic directly implemented
* ADDED: Helper functions to split text in separate lines
* REDESIGNED: GuiTextBox() to support cursor movement
* REDESIGNED: GuiTextBoxMulti() to support cursor movement
* REDESIGNED: GuiDrawText() to divide drawing by lines
* 3.2 (22-May-2022) RENAMED: Some enum values, for unification, avoiding prefixes
* REMOVED: GuiScrollBar(), only internal
* REDESIGNED: GuiPanel() to support text parameter
@ -479,6 +481,7 @@ typedef enum {
typedef enum {
TEXT_INNER_PADDING = 16, // TextBox/TextBoxMulti/ValueBox/Spinner inner text padding
TEXT_LINES_SPACING, // TextBoxMulti lines separation
TEXT_ALIGNMENT_VERTICAL // TextBoxMulti vertical alignment: 0-CENTERED, 1-UP, 2-DOWN
} GuiTextBoxProperty;
// Spinner
@ -2261,13 +2264,15 @@ bool GuiTextBoxMulti(Rectangle bounds, char *text, int bufferSize, bool editMode
GuiState state = guiState;
bool pressed = false;
GuiSetStyle(TEXTBOX, TEXT_ALIGNMENT_VERTICAL, 1);
Rectangle textBounds = GetTextBounds(TEXTBOX, bounds);
int textWidth = GetTextWidth(text) - GetTextWidth(text + sharedCursorIndex);
int textIndexOffset = 0; // Text index offset to start drawing in the box
// Cursor rectangle
// NOTE: Position values [x, y] should be updated
Rectangle cursor = { 0, -1, 2, (float)GuiGetStyle(DEFAULT, TEXT_SIZE) + 2 };
Rectangle cursor = { 0, -1, 2, (float)GuiGetStyle(DEFAULT, TEXT_SIZE) + 4 };
// Update control
//--------------------------------------------------------------------
@ -2341,7 +2346,7 @@ bool GuiTextBoxMulti(Rectangle bounds, char *text, int bufferSize, bool editMode
char *lastTextBreak = text;
// Update cursor.y position considering line breaks
cursor.y = textBounds.y + (textBounds.height/2 - cursor.height/2); // -lineCount/2; // Move to centered text
cursor.y = textBounds.y - 2; // -lineCount/2; // Move to centered text
for (int i = 0; i < sharedCursorIndex; i++)
{
if (text[i] == '\n')
@ -2464,6 +2469,8 @@ bool GuiTextBoxMulti(Rectangle bounds, char *text, int bufferSize, bool editMode
if (editMode) GuiDrawRectangle(cursor, 0, BLANK, Fade(GetColor(GuiGetStyle(TEXTBOX, BORDER_COLOR_PRESSED)), guiAlpha));
//--------------------------------------------------------------------
GuiSetStyle(TEXTBOX, TEXT_ALIGNMENT_VERTICAL, 0);
return pressed;
}
@ -4073,6 +4080,8 @@ static void GuiDrawText(const char *text, Rectangle bounds, int alignment, Color
#define ICON_TEXT_PADDING 4
#endif
int alignmentVertical = GuiGetStyle(TEXTBOX, TEXT_ALIGNMENT_VERTICAL);
// We process the text lines one by one
if ((text != NULL) && (text[0] != '\0'))
{
@ -4111,21 +4120,17 @@ static void GuiDrawText(const char *text, Rectangle bounds, int alignment, Color
// Check guiTextAlign global variables
switch (alignment)
{
case TEXT_ALIGN_LEFT:
{
position.x = bounds.x;
position.y = bounds.y + posOffsetY + bounds.height/2 - totalHeight/2 + TEXT_VALIGN_PIXEL_OFFSET(bounds.height);
} break;
case TEXT_ALIGN_CENTER:
{
position.x = bounds.x + bounds.width/2 - textSizeX/2;
position.y = bounds.y + posOffsetY + bounds.height/2 - totalHeight/2 + TEXT_VALIGN_PIXEL_OFFSET(bounds.height);
} break;
case TEXT_ALIGN_RIGHT:
{
position.x = bounds.x + bounds.width - textSizeX;
position.y = bounds.y + posOffsetY + bounds.height/2 - totalHeight/2 + TEXT_VALIGN_PIXEL_OFFSET(bounds.height);
} break;
case TEXT_ALIGN_LEFT: position.x = bounds.x; break;
case TEXT_ALIGN_CENTER: position.x = bounds.x + bounds.width/2 - textSizeX/2; break;
case TEXT_ALIGN_RIGHT: position.x = bounds.x + bounds.width - textSizeX; break;
default: break;
}
switch (alignmentVertical)
{
case 0: position.y = bounds.y + posOffsetY + bounds.height/2 - totalHeight/2 + TEXT_VALIGN_PIXEL_OFFSET(bounds.height); break; // CENTERED
case 1: position.y = bounds.y + posOffsetY; break; // UP
case 2: position.y = bounds.y + posOffsetY + bounds.height - totalHeight + TEXT_VALIGN_PIXEL_OFFSET(bounds.height); break; // DOWN
default: break;
}