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added mouse wheel support

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This commit is contained in:
Timerix
2026-01-12 21:54:15 +05:00
parent 75d894b1bd
commit 717c049265
8 changed files with 141 additions and 37 deletions
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34
.vscode/launch.json vendored Executable file
View File

@@ -0,0 +1,34 @@
{
"version": "0.2.0",
"configurations": [
{
"name": "(gdb) test | Build and debug",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/bin/test",
"windows": { "program": "${workspaceFolder}/bin/test.exe" },
"cwd": "${workspaceFolder}/bin",
"preLaunchTask": "build_exec_dbg",
"stopAtEntry": false,
"externalConsole": false,
"internalConsoleOptions": "neverOpen",
"MIMode": "gdb",
"miDebuggerPath": "gdb",
},
{
"name": "(gdb) test | Just debug",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/bin/test",
"windows": { "program": "${workspaceFolder}/bin/test.exe" },
"cwd": "${workspaceFolder}/bin",
"stopAtEntry": false,
"externalConsole": false,
"internalConsoleOptions": "neverOpen",
"MIMode": "gdb",
"miDebuggerPath": "gdb",
}
]
}

31
.vscode/tasks.json vendored Executable file
View File

@@ -0,0 +1,31 @@
{
"version": "2.0.0",
"tasks": [
{
"label": "build_exec_dbg",
"detail": "build project with debug symbols",
"type": "cppbuild",
"command": "bash",
"args": [
"-c",
"cbuild build_static_lib_dbg test"
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": ["$gcc"],
"group": {
"kind": "build"
},
"presentation": {
"echo": false,
"reveal": "always",
"focus": true,
"panel": "shared",
"showReuseMessage": false,
"clear": true
}
}
]
}

8
include/tim.h
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@@ -129,6 +129,8 @@ typedef enum TimEventType {
enum {
TimKey_MouseButtonLeft = 1,
TimKey_MouseScrollUp = 4,
TimKey_MouseScrollDown = 5,
TimKey_Backspace = 8,
TimKey_Tab = 9,
TimKey_Enter = 13,
@@ -307,7 +309,11 @@ void TimEditState_delete(TimEditState* e);
bool tim_is_event_key(TimEventType type, TimKey key);
// returns true if event was press of key
bool tim_is_key_press(TimKey key);
static inline bool tim_is_key_press(TimKey key) { return tim_is_event_key(TimEvent_Key, key); }
static inline bool tim_is_mouse_scroll_up() { return tim_is_event_key(TimEvent_Mouse, TimKey_MouseScrollUp); }
static inline bool tim_is_mouse_scroll_down() { return tim_is_event_key(TimEvent_Mouse, TimKey_MouseScrollDown); }
// returns true if mouse event was over r
bool tim_is_mouse_over(TimRect r);

14
project.config
View File

@@ -60,6 +60,8 @@ case "$OS" in
;;
esac
TEST_C_ARGS="-O0 -g3"
# TASKS
case "$TASK" in
# ./ask question?
@@ -67,7 +69,7 @@ case "$TASK" in
EXEC_FILE="ask$EXEC_EXT"
SRC_C="example/ask.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""
@@ -79,7 +81,7 @@ case "$TASK" in
EXEC_FILE="hello$EXEC_EXT"
SRC_C="example/hello.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""
@@ -91,7 +93,7 @@ case "$TASK" in
EXEC_FILE="snek$EXEC_EXT"
SRC_C="example/snek.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""
@@ -103,7 +105,7 @@ case "$TASK" in
EXEC_FILE="test$EXEC_EXT"
SRC_C="test/test.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""
@@ -115,7 +117,7 @@ case "$TASK" in
EXEC_FILE="color$EXEC_EXT"
SRC_C="test/color.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""
@@ -127,7 +129,7 @@ case "$TASK" in
EXEC_FILE="string$EXEC_EXT"
SRC_C="test/string.c"
LINKER_LIBS="bin/tim.a"
C_ARGS="-O0 -g"
C_ARGS="$TEST_C_ARGS"
CPP_ARGS="$C_ARGS"
LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
PRE_TASK_SCRIPT=""

4
src/event.c
View File

@@ -4,10 +4,6 @@ bool tim_is_event_key(TimEventType type, TimKey key) {
return tim->event.type == type && tim->event.key == key;
}
bool tim_is_key_press(TimKey key) {
return tim_is_event_key(TimEvent_Key, key);
}
bool tim_is_mouse_over(TimRect r) {
i32 x = tim->event.x;
i32 y = tim->event.y;

36
src/unix.c
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@@ -1,3 +1,12 @@
// Enable POSIX 2004 definitions.
// Required to use clock_gettime, localtime_r, gmtime_r in ISO C.
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
// Enable cfmakeraw()
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#include "tim.h"
#ifdef TIM_UNIX
@@ -62,7 +71,7 @@ void tim_reset_terminal(void) {
}
// parse input stored in e->s
bool parse_input(event* restrict e, i32 n) {
bool parse_input(TimEvent* restrict e, i32 n) {
char* s = e->s;
if (n == 1 || s[0] != 27) {
@@ -76,14 +85,23 @@ bool parse_input(event* restrict e, i32 n) {
// sgr mouse sequence
e->type = TimEvent_Mouse;
i32 btn = strtol(s + 3, &s, 10);
e->x = strtol(s + 1, &s, 10) - 1;
e->y = strtol(s + 1, &s, 10) - 1;
if (btn == 0 && s[0] == 'M') {
// left button pressed
e->key = TimKey_MouseButtonLeft;
return true;
e->x = strtol(s + 1, &s, 10);
e->y = strtol(s + 1, &s, 10);
// coordinates start from 1
if(e->x > 0) e->x--;
if(e->y > 0) e->y--;
// invalid sequence end
if (s[0] != 'M')
return false;
switch(btn){
case 0: e->key = TimKey_MouseButtonLeft; break;
case 64: e->key = TimKey_MouseScrollUp; break;
case 65: e->key = TimKey_MouseScrollDown; break;
default:
return false;
}
return false;
return true;
}
struct {char s[4]; i32 k;} key_table[] = {
@@ -120,7 +138,7 @@ bool parse_input(event* restrict e, i32 n) {
}
void tim_read_event(i32 timeout_ms) {
event* e = &tim->event;
TimEvent* e = &tim->event;
struct pollfd pfd[2] = {
{.fd = tim->signal_pipe[0], .events = POLLIN},

15
src/windows.c
View File

@@ -140,9 +140,16 @@ void tim_read_event(i32 timeout_ms) {
}
case MOUSE_EVENT: {
bool wheel = rec.Event.MouseEvent.dwEventFlags & MOUSE_WHEELED;
if(wheel){
i16 scroll_value = HIWORD(rec.Event.MouseEvent.dwButtonState);
e->type = TimEvent_Mouse;
e->key = scroll_value > 0 ? TimKey_MouseScrollUp : TimKey_MouseScrollDown;
return;
}
bool move = rec.Event.MouseEvent.dwEventFlags & ~DOUBLE_CLICK;
bool left = rec.Event.MouseEvent.dwButtonState &
FROM_LEFT_1ST_BUTTON_PRESSED;
bool left = rec.Event.MouseEvent.dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED;
if (move || !left) {
// ignore move events and buttons other than left
continue;
@@ -150,8 +157,8 @@ void tim_read_event(i32 timeout_ms) {
tim_update_screen_size(); // workaround, see WINDOW_BUFFER_SIZE_EVENT
e->type = TimEvent_Mouse;
e->key = TimKey_MouseButtonLeft;
e->x = rec.Event.MouseEvent.dwMousePosition.X - tim->window.Left;
e->y = rec.Event.MouseEvent.dwMousePosition.Y - tim->window.Top;
e->x = rec.Event.MouseEvent.dwMousePosition.X - tim->window.Left;
e->y = rec.Event.MouseEvent.dwMousePosition.Y - tim->window.Top;
return;
}

34
test/test.c
View File

@@ -38,6 +38,16 @@ static inline void test_screen(TimEvent* e) {
sprintf(buf, "input : %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx",
e->s[0], e->s[1], e->s[2], e->s[3], e->s[4], e->s[5], e->s[6], e->s[7]);
tim_label(buf, 2, 4, A, A, style_default);
// replace unprintable characters with space
i32 s_len = tim_utf8_len(e->s);
for(i32 i = 0; i < s_len; i++){
i32 pos = tim_utf8_pos(e->s, i);
u8 uc = e->s[pos];
if(uc < (u8)' '){
e->s[pos] = ' ';
}
}
tim_label(e->s, 2, 5, A, A, style_default);
// lower right
render_us += tim->render_us;
@@ -52,7 +62,7 @@ static inline void test_screen(TimEvent* e) {
tim_label("multi\nliñe\nlabël", 24, 1, A, A, style_default);
// colors
tim_scope(1, 5, 16, 5) {
tim_scope(1, 6, 16, 5) {
tim_frame(0, 0, ~0, ~0, style_default);
tim_label(" Red ", 1, 1, 7, A, (TimStyle){ .bg = 0x09 });
tim_label(" ", 8, 1, 7, A, (TimStyle){ .bg = 0xc4 });
@@ -64,30 +74,30 @@ static inline void test_screen(TimEvent* e) {
// button
static TimStyle style_button = { .bg = 0x01 };
if (tim_button("Click Me", 17, 5, 16, 5, style_button)) {
if (tim_button("Click Me", 17, 6, 16, 5, style_button)) {
style_button.bg = (style_button.bg + 1) & 0xff;
}
// edit
static TimStyle style_edit = { .brd = 0xff, .fg = 0xff };
tim_edit(&ed1, 1, 10, 32, style_edit);
tim_edit(&ed1, 1, 11, 32, style_edit);
sprintf(buf, "cursor: %d length: %d", ed1.cursor, ed1.length);
tim_label(buf, 2, 13, A, A, style_default);
tim_edit(&ed2, 1, 14, 32, style_edit);
tim_label(ed2.s, 2, 17, A, A, style_default);
tim_label(buf, 2, 12, A, A, style_default);
tim_edit(&ed2, 1, 15, 32, style_edit);
tim_label(ed2.s, 2, 18, A, A, style_default);
// checkbox
static TimStyle style_checkbox = { .brd = TimColor16_Cyan, .fg = TimColor16_White };
static i32 chk[2] = {-1, 1};
tim_checkbox("Check 1", &chk[0], 1, 18, A, style_checkbox);
tim_checkbox("Check 2", &chk[1], 14, 18, A, style_checkbox);
tim_checkbox("Check 1", &chk[0], 1, 19, A, style_checkbox);
tim_checkbox("Check 2", &chk[1], 14, 19, A, style_checkbox);
// radiobox
static i32 rad = 0;
tim_radiobutton("Radio 1", &rad, 1, 1, 19, A, style_checkbox);
tim_radiobutton("Radio 2", &rad, 2, 14, 19, A, style_checkbox);
tim_radiobutton("Radio 3", &rad, 3, 1, 20, A, style_checkbox);
tim_radiobutton("Radio 4", &rad, 4, 14, 20, A, style_checkbox);
tim_radiobutton("Radio 1", &rad, 1, 1, 20, A, style_checkbox);
tim_radiobutton("Radio 2", &rad, 2, 14, 20, A, style_checkbox);
tim_radiobutton("Radio 3", &rad, 3, 1, 21, A, style_checkbox);
tim_radiobutton("Radio 4", &rad, 4, 14, 21, A, style_checkbox);
// scope nesting
tim_scope(~1, 1, 20, 10) {