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make buttons behave a bit more like in a GUI
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@sneakywumpus
sneakywumpus committed Jan 27, 2025
1 parent adcd589 commit d74ae14
Showing 1 changed file with 76 additions and 35 deletions.
111 changes: 76 additions & 35 deletions z80core/simpanel.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,17 @@ typedef const struct font {
unsigned stride;
} font_t;

/* include Terminus bitmap fonts */
#include "fonts/font12.h"
#include "fonts/font14.h"
#include "fonts/font16.h"
#include "fonts/font18.h"
#include "fonts/font20.h"
#include "fonts/font22.h"
#include "fonts/font24.h"
#include "fonts/font28.h"
#include "fonts/font32.h"

/*
* Grid type for drawing text with character based coordinates.
*/
Expand All @@ -93,6 +104,7 @@ typedef struct button {
bool active;
bool pressed;
bool clicked;
bool hilighted;
const unsigned x;
const unsigned y;
const unsigned width;
Expand All @@ -101,19 +113,6 @@ typedef struct button {
const char *text;
} button_t;

/* include Terminus bitmap fonts */
#include "fonts/font12.h"
#include "fonts/font14.h"
#include "fonts/font16.h"
#include "fonts/font18.h"
#include "fonts/font20.h"
#include "fonts/font22.h"
#include "fonts/font24.h"
#include "fonts/font28.h"
#include "fonts/font32.h"

static void check_buttons(unsigned x, unsigned y, bool press);

/*
* Buttons
*/
Expand All @@ -123,17 +122,30 @@ static void check_buttons(unsigned x, unsigned y, bool press);

static button_t buttons[] = {
[ MEMORY_BUTTON ] = {
false, false, false, false, 500, 1, 60, 19, &font12, "Memory"
false, false, false, false, false,
500, 1, 60, 19, &font12, "Memory"
},
[ PORTS_BUTTON ] = {
false, false, false, false, 500, 22, 60, 19, &font12, "Ports"
false, false, false, false, false,
500, 22, 60, 19, &font12, "Ports"
},
[ STICKY_BUTTON ] = {
false, false, false, false, 500, 43, 60, 19, &font12, "Sticky"
false, false, false, false, false,
500, 43, 60, 19, &font12, "Sticky"
}
};
static const int nbuttons = sizeof(buttons) / sizeof(button_t);

/*
* Button events
*/

#define EVENT_PRESS 0
#define EVENT_RELEASE 1
#define EVENT_MOTION 2

static void check_buttons(unsigned x, unsigned y, int event);

/* SDL2/X11 stuff */
static unsigned xsize, ysize;
static uint32_t *pixels;
Expand Down Expand Up @@ -227,7 +239,8 @@ static void open_display(void)
swa.border_pixel = 0;
swa.colormap = colormap;
swa.event_mask = KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask;
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask;
window = XCreateWindow(display, rootwindow, 0, 0, xsize, ysize,
1, vinfo.depth, InputOutput, visual,
CWBorderPixel | CWColormap | CWEventMask, &swa);
Expand Down Expand Up @@ -304,14 +317,21 @@ static void process_event(SDL_Event *event)
if (event->window.windowID != SDL_GetWindowID(window))
break;

check_buttons(event->button.x, event->button.y, true);
check_buttons(event->button.x, event->button.y, EVENT_PRESS);
break;

case SDL_MOUSEBUTTONUP:
if (event->window.windowID != SDL_GetWindowID(window))
break;

check_buttons(event->button.x, event->button.y, false);
check_buttons(event->button.x, event->button.y, EVENT_RELEASE);
break;

case SDL_MOUSEMOTION:
if (event->window.windowID != SDL_GetWindowID(window))
break;

check_buttons(event->motion.x, event->motion.y, EVENT_MOTION);
break;

case SDL_KEYUP:
Expand Down Expand Up @@ -416,7 +436,7 @@ static inline void process_events(void)
case ButtonPress:
if (event.xbutton.button < 4)
check_buttons(event.xbutton.x, event.xbutton.y,
true);
EVENT_PRESS);
else if (panel == MEMORY_PANEL) {
if (event.xbutton.button == 4)
mbase += shift ? 0x0100 : 0x0010;
Expand All @@ -428,7 +448,12 @@ static inline void process_events(void)
case ButtonRelease:
if (event.xbutton.button < 4)
check_buttons(event.xbutton.x, event.xbutton.y,
false);
EVENT_RELEASE);
break;

case MotionNotify:
check_buttons(event.xmotion.x, event.xmotion.y,
EVENT_MOTION);
break;

case KeyRelease:
Expand Down Expand Up @@ -1233,17 +1258,18 @@ static void draw_buttons(void)

for (i = 0; i < nbuttons; i++) {
if (p->enabled) {
draw_hline(p->x + 2, p->y, p->width - 4, C_WHITE);
draw_pixel(p->x + 1, p->y + 1, C_WHITE);
draw_pixel(p->x + p->width - 2, p->y + 1, C_WHITE);
draw_vline(p->x, p->y + 2, p->height - 4, C_WHITE);
color = p->hilighted ? C_ORANGE : C_WHITE;
draw_hline(p->x + 2, p->y, p->width - 4, color);
draw_pixel(p->x + 1, p->y + 1, color);
draw_pixel(p->x + p->width - 2, p->y + 1, color);
draw_vline(p->x, p->y + 2, p->height - 4, color);
draw_vline(p->x + p->width - 1, p->y + 2,
p->height - 4, C_WHITE);
draw_pixel(p->x + 1, p->y + p->height - 2, C_WHITE);
p->height - 4, color);
draw_pixel(p->x + 1, p->y + p->height - 2, color);
draw_pixel(p->x + p->width - 2, p->y + p->height - 2,
C_WHITE);
color);
draw_hline(p->x + 2, p->y + p->height - 1,
p->width - 4, C_WHITE);
p->width - 4, color);

color = C_DKBLUE;
if (p->active)
Expand Down Expand Up @@ -1312,20 +1338,35 @@ static void update_buttons(void)
/*
* Check for button presses
*/
static void check_buttons(unsigned x, unsigned y, bool press)
static void check_buttons(unsigned x, unsigned y, int event)
{
int i;
bool inside;
button_t *p = buttons;

for (i = 0; i < nbuttons; i++) {
if (p->enabled) {
if (press && x >= p->x && x < p->x + p->width &&
y >= p->y && y < p->y + p->height) {
p->pressed = true;
inside = (x >= p->x && x < p->x + p->width &&
y >= p->y && y < p->y + p->height);
switch (event) {
case EVENT_PRESS:
if (inside)
p->pressed = true;
break;
} else if (p->pressed) {
case EVENT_RELEASE:
if (inside && p->pressed)
p->clicked = true;
p->pressed = false;
p->clicked = true;
break;
case EVENT_MOTION:
if (inside)
p->hilighted = true;
else {
p->pressed = false;
p->hilighted = false;
}
break;
default:
break;
}
}
Expand Down

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