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Experimenting with a tooltips API

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Found several limitations:
 - Tooltip timming can not be properly set on imgui mode
 - Tooltip underlap to controls drawn after current control

Still, a quite interesting feature for further analysis.
This commit is contained in:
Ray 2020-02-20 16:36:18 +01:00
parent b8932dab26
commit ffdeef8d17
2 changed files with 55 additions and 5 deletions
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2
examples/controls_test_suite/controls_test_suite.c
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@ -160,7 +160,9 @@ int main()
GuiSetStyle(BUTTON, TEXT_ALIGNMENT, GUI_TEXT_ALIGN_CENTER);
GuiSetTooltip("Save current file.");
if (GuiButton((Rectangle){ 25, 255, 125, 30 }, GuiIconText(RICON_FILE_SAVE, "Save File"))) showTextInputBox = true;
GuiClearTooltip();
GuiGroupBox((Rectangle){ 25, 310, 125, 150 }, "STATES");
GuiLock();

58
src/raygui.h
View File

@ -429,6 +429,13 @@ RAYGUIDEF Font GuiGetFont(void); // Get g
RAYGUIDEF void GuiSetStyle(int control, int property, int value); // Set one style property
RAYGUIDEF int GuiGetStyle(int control, int property); // Get one style property
// Tooltips set functions
RAYGUIDEF void GuiEnableTooltip(void); // Enable gui tooltips
RAYGUIDEF void GuiDisableTooltip(void); // Disable gui tooltips
RAYGUIDEF void GuiSetTooltip(const char *tooltip); // Set current tooltip for display
RAYGUIDEF void GuiClearTooltip(void); // Clear any tooltip registered
RAYGUIDEF void GuiDrawTooltip(Rectangle bounds); // Draw tooltip relatively to bounds
// Container/separator controls, useful for controls organization
RAYGUIDEF bool GuiWindowBox(Rectangle bounds, const char *title); // Window Box control, shows a window that can be closed
RAYGUIDEF void GuiGroupBox(Rectangle bounds, const char *text); // Group Box control with text name
@ -536,16 +543,20 @@ typedef enum { BORDER = 0, BASE, TEXT, OTHER } GuiPropertyElement;
//----------------------------------------------------------------------------------
static GuiControlState guiState = GUI_STATE_NORMAL;
static Font guiFont = { 0 }; // NOTE: Highly coupled to raylib
static bool guiLocked = false;
static float guiAlpha = 1.0f;
static Font guiFont = { 0 }; // Gui current font (WARNING: highly coupled to raylib)
static bool guiLocked = false; // Gui lock state (no inputs processed)
static float guiAlpha = 1.0f; // Gui element transpacency on drawing
// Global gui style array (allocated on heap by default)
// NOTE: In raygui we manage a single int array with all the possible style properties.
// When a new style is loaded, it loads over the global style... but default gui style
// could always be recovered with GuiLoadStyleDefault()
static unsigned int guiStyle[NUM_CONTROLS*(NUM_PROPS_DEFAULT + NUM_PROPS_EXTENDED)] = { 0 };
static bool guiStyleLoaded = false;
static bool guiStyleLoaded = false; // Style loaded flag for lazy style initialization
// Tooltips required variables
static const char *guiTooltip = NULL; // Gui tooltip currently active (user provided)
static bool guiTooltipEnabled = true; // Gui tooltips enabled
//----------------------------------------------------------------------------------
// Standalone Mode Functions Declaration
@ -767,7 +778,7 @@ static void GuiDrawText(const char *text, Rectangle bounds, int alignment, Color
static const char **GuiTextSplit(const char *text, int *count, int *textRow);
//----------------------------------------------------------------------------------
// Module Functions Definition
// Gui Setup Functions Definition
//----------------------------------------------------------------------------------
// Enable gui global state
@ -839,6 +850,41 @@ int GuiGetStyle(int control, int property)
return guiStyle[control*(NUM_PROPS_DEFAULT + NUM_PROPS_EXTENDED) + property];
}
// Enable gui tooltips
void GuiEnableTooltip(void) { guiTooltipEnabled = true; }
// Disable gui tooltips
void GuiDisableTooltip(void) { guiTooltipEnabled = false; }
// Set current tooltip for display
void GuiSetTooltip(const char *tooltip) { guiTooltip = tooltip; }
// Clear any tooltip registered
void GuiClearTooltip(void) { guiTooltip = NULL; }
// Draw tooltip relatively to bounds
void GuiDrawTooltip(Rectangle bounds)
{
//static int tooltipFramesCounter = 0; // Not possible gets reseted at second function call!
if (guiTooltipEnabled && (guiTooltip != NULL) && CheckCollisionPointRec(GetMousePosition(), bounds))
{
Vector2 mousePosition = GetMousePosition();
Vector2 textSize = MeasureTextEx(guiFont, guiTooltip, GuiGetStyle(DEFAULT, TEXT_SIZE), GuiGetStyle(DEFAULT, TEXT_SPACING));
Rectangle tooltipBounds = { mousePosition.x, mousePosition.y, textSize.x + 20, textSize.y*2 };
DrawRectangleRec(tooltipBounds, Fade(GetColor(GuiGetStyle(DEFAULT, BACKGROUND_COLOR)), guiAlpha));
DrawRectangleLinesEx(tooltipBounds, 1, Fade(GetColor(GuiGetStyle(DEFAULT, LINE_COLOR)), guiAlpha));
tooltipBounds.x += 10;
GuiLabel(tooltipBounds, guiTooltip);
}
}
//----------------------------------------------------------------------------------
// Gui Controls Functions Definition
//----------------------------------------------------------------------------------
// Window Box control
bool GuiWindowBox(Rectangle bounds, const char *title)
{
@ -1111,6 +1157,8 @@ bool GuiButton(Rectangle bounds, const char *text)
DrawRectangle(bounds.x + GuiGetStyle(BUTTON, BORDER_WIDTH), bounds.y + GuiGetStyle(BUTTON, BORDER_WIDTH), bounds.width - 2*GuiGetStyle(BUTTON, BORDER_WIDTH), bounds.height - 2*GuiGetStyle(BUTTON, BORDER_WIDTH), Fade(GetColor(GuiGetStyle(BUTTON, BASE + (state*3))), guiAlpha));
GuiDrawText(text, GetTextBounds(BUTTON, bounds), GuiGetStyle(BUTTON, TEXT_ALIGNMENT), Fade(GetColor(GuiGetStyle(BUTTON, TEXT + (state*3))), guiAlpha));
GuiDrawTooltip(bounds);
//------------------------------------------------------------------
return pressed;