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windows.cpp
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/////////////////////////////////////////////////////
// Source display:
/////////////////////////////////////////////////////
char autoPrintExpression[1024];
char autoPrintResult[1024];
int autoPrintExpressionLine;
int autoPrintResultLine;
int currentEndOfBlock;
int lastCursorX, lastCursorY;
int ifConditionEvaluation, ifConditionLine;
int ifConditionFrom, ifConditionTo;
Array<char *> inspectResults;
bool noInspectResults;
bool inInspectLineMode;
int inspectModeRestoreLine;
UIRectangle displayCurrentLineBounds;
const char *disassemblyCommand = "disas /s";
bool DisplaySetPosition(const char *file, int line, bool useGDBToGetFullPath) {
if (showingDisassembly) {
return false;
}
char buffer[4096];
const char *originalFile = file;
if (file && file[0] == '~') {
StringFormat(buffer, sizeof(buffer), "%s/%s", getenv("HOME"), 1 + file);
file = buffer;
} else if (file && file[0] != '/' && useGDBToGetFullPath) {
EvaluateCommand("info source");
const char *f = strstr(evaluateResult, "Located in ");
if (f) {
f += 11;
const char *end = strchr(f, '\n');
if (end) {
StringFormat(buffer, sizeof(buffer), "%.*s", (int) (end - f), f);
file = buffer;
}
}
}
bool reloadFile = false;
if (file) {
if (strcmp(currentFile, file)) {
reloadFile = true;
}
struct stat buf;
if (!stat(file, &buf) && buf.st_mtime != currentFileReadTime) {
reloadFile = true;
}
currentFileReadTime = buf.st_mtime;
}
bool changed = false;
if (reloadFile) {
currentLine = 0;
StringFormat(currentFile, 4096, "%s", file);
realpath(currentFile, currentFileFull);
size_t bytes;
char *buffer2 = LoadFile(file, &bytes);
if (!buffer2) {
char buffer3[4096];
StringFormat(buffer3, 4096, "The file '%s' (from '%s') could not be loaded.", file, originalFile);
UICodeInsertContent(displayCode, buffer3, -1, true);
} else {
UICodeInsertContent(displayCode, buffer2, bytes, true);
free(buffer2);
}
changed = true;
autoPrintResult[0] = 0;
}
if (line != -1 && currentLine != line) {
currentLine = line;
UICodeFocusLine(displayCode, line);
changed = true;
}
currentEndOfBlock = SourceFindEndOfBlock();
UIElementRefresh(&displayCode->e);
return changed;
}
void DisplaySetPositionFromStack() {
if (stack.Length() > stackSelected) {
char location[sizeof(previousLocation)];
strcpy(previousLocation, stack[stackSelected].location);
strcpy(location, stack[stackSelected].location);
char *line = strchr(location, ':');
if (line) *line = 0;
DisplaySetPosition(location, line ? atoi(line + 1) : -1, true);
}
}
void DisassemblyLoad() {
EvaluateCommand(disassemblyCommand);
if (!strstr(evaluateResult, "Dump of assembler code for function")) {
char buffer[32];
StringFormat(buffer, sizeof(buffer), "disas $pc,+1000");
EvaluateCommand(buffer);
}
char *end = strstr(evaluateResult, "End of assembler dump.");
if (!end) {
printf("Disassembly failed. GDB output:\n%s\n", evaluateResult);
return;
}
char *start = strstr(evaluateResult, ":\n");
if (!start) {
printf("Disassembly failed. GDB output:\n%s\n", evaluateResult);
return;
}
start += 2;
if (start >= end) {
printf("Disassembly failed. GDB output:\n%s\n", evaluateResult);
return;
}
char *pointer = strstr(start, "=> ");
if (pointer) {
pointer[0] = ' ';
pointer[1] = ' ';
}
UICodeInsertContent(displayCode, start, end - start, true);
}
void DisassemblyUpdateLine() {
EvaluateCommand("p $pc");
char *address = strstr(evaluateResult, "0x");
if (address) {
char *addressEnd;
uint64_t a = strtoul(address, &addressEnd, 0);
for (int i = 0; i < 2; i++) {
// Look for the line in the disassembly.
bool found = false;
for (int i = 0; i < displayCode->lineCount; i++) {
uint64_t b = strtoul(displayCode->content + displayCode->lines[i].offset + 3, &addressEnd, 0);
if (a == b) {
UICodeFocusLine(displayCode, i + 1);
autoPrintExpressionLine = i;
found = true;
break;
}
}
if (!found) {
// Reload the disassembly.
DisassemblyLoad();
} else {
break;
}
}
UIElementRefresh(&displayCode->e);
}
}
void CommandToggleDisassembly(void *) {
showingDisassembly = !showingDisassembly;
autoPrintResultLine = 0;
autoPrintExpression[0] = 0;
displayCode->e.flags ^= UI_CODE_NO_MARGIN;
if (showingDisassembly) {
UICodeInsertContent(displayCode, "Disassembly could not be loaded.\nPress Ctrl+D to return to source view.", -1, true);
displayCode->tabSize = 8;
DisassemblyLoad();
DisassemblyUpdateLine();
} else {
currentLine = -1;
currentEndOfBlock = -1;
currentFile[0] = 0;
currentFileReadTime = 0;
DisplaySetPositionFromStack();
displayCode->tabSize = 4;
}
UIElementRefresh(&displayCode->e);
}
void CommandSetDisassemblyMode(void *) {
const char *newMode = UIDialogShow(windowMain, 0, "Select the disassembly mode:\n%b\n%b\n%b", "Disassembly only", "With source", "Source centric");
if (0 == strcmp(newMode, "Disassembly only")) disassemblyCommand = "disas";
if (0 == strcmp(newMode, "With source")) disassemblyCommand = "disas /s";
if (0 == strcmp(newMode, "Source centric")) disassemblyCommand = "disas /m";
if (showingDisassembly) {
CommandToggleDisassembly(nullptr);
CommandToggleDisassembly(nullptr);
}
}
void DisplayCodeDrawInspectLineModeOverlay(UIPainter *painter) {
const char *instructions = "(Press Esc to exit inspect line mode.)";
int width = (strlen(instructions) + 8) * ui.activeFont->glyphWidth;
for (int index = 0; index < inspectResults.Length() / 2; index++) {
int w = (strlen(inspectResults[index * 2]) + strlen(inspectResults[index * 2 + 1]) + 8) * ui.activeFont->glyphWidth;
if (w > width) width = w;
}
int xOffset = 0;
{
UICodeLine *line = &displayCode->lines[currentLine - 1];
for (int i = 0; i < line->bytes; i++) {
if (displayCode->content[line->offset + i] == '\t') {
xOffset += 4 * ui.activeFont->glyphWidth;
} else if (displayCode->content[line->offset + i] == ' ') {
xOffset += 1 * ui.activeFont->glyphWidth;
} else {
break;
}
}
}
char buffer[256];
int lineHeight = UIMeasureStringHeight();
UIRectangle bounds = UIRectangleAdd(displayCurrentLineBounds, UI_RECT_4(xOffset, 0, lineHeight, 8 + lineHeight * (inspectResults.Length() / 2 + 1)));
bounds.r = bounds.l + width;
UIDrawBlock(painter, UIRectangleAdd(bounds, UI_RECT_1(3)), ui.theme.border);
UIDrawRectangle(painter, bounds, ui.theme.codeBackground, ui.theme.border, UI_RECT_1(2));
UIRectangle line = UIRectangleAdd(bounds, UI_RECT_4(4, -4, 4, 0));
line.b = line.t + lineHeight;
for (int index = 0; index < inspectResults.Length() / 2; index++) {
if (noInspectResults) {
StringFormat(buffer, sizeof(buffer), "%s", inspectResults[index * 2]);
} else if (index < 9) {
StringFormat(buffer, sizeof(buffer), "[%d] %s %s", index + 1, inspectResults[index * 2], inspectResults[index * 2 + 1]);
} else {
StringFormat(buffer, sizeof(buffer), " %s %s", inspectResults[index * 2], inspectResults[index * 2 + 1]);
}
UIDrawString(painter, line, buffer, -1, noInspectResults ? ui.theme.codeOperator : ui.theme.codeString, UI_ALIGN_LEFT, NULL);
line = UIRectangleAdd(line, UI_RECT_2(0, lineHeight));
}
UIDrawString(painter, line, instructions, -1, ui.theme.codeNumber, UI_ALIGN_RIGHT, NULL);
}
#define DISPLAY_CODE_COMMAND_FOR_ALL_BREAKPOINTS_ON_LINE(function, command) \
void function(void *_line) { \
int line = (int) (intptr_t) _line; \
for (int i = 0; i < breakpoints.Length(); i++) { \
if (breakpoints[i].line == line && 0 == strcmp(breakpoints[i].fileFull, currentFileFull)) { \
command((void *) (intptr_t) i); \
} \
} \
}
DISPLAY_CODE_COMMAND_FOR_ALL_BREAKPOINTS_ON_LINE(CommandDeleteAllBreakpointsOnLine, CommandDeleteBreakpoint );
DISPLAY_CODE_COMMAND_FOR_ALL_BREAKPOINTS_ON_LINE(CommandDisableAllBreakpointsOnLine, CommandDisableBreakpoint);
DISPLAY_CODE_COMMAND_FOR_ALL_BREAKPOINTS_ON_LINE(CommandEnableAllBreakpointsOnLine, CommandEnableBreakpoint );
int DisplayCodeMessage(UIElement *element, UIMessage message, int di, void *dp) {
UICode *code = (UICode *) element;
if (message == UI_MSG_CLICKED && !showingDisassembly) {
int result = UICodeHitTest(code, element->window->cursorX, element->window->cursorY);
if (result < 0 && code->leftDownInMargin) {
int line = -result;
CommandToggleBreakpoint((void *) (intptr_t) line);
} else if (result > 0 && !code->leftDownInMargin) {
int line = result;
if (element->window->ctrl) {
char buffer[1024];
StringFormat(buffer, 1024, "until %d", line);
DebuggerSend(buffer, true, false);
} else if (element->window->alt || element->window->shift) {
char buffer[1024];
StringFormat(buffer, 1024, "tbreak %d", line);
EvaluateCommand(buffer);
StringFormat(buffer, 1024, "jump %d", line);
DebuggerSend(buffer, true, false);
}
}
} else if (message == UI_MSG_RIGHT_DOWN && !showingDisassembly) {
int result = UICodeHitTest(code, element->window->cursorX, element->window->cursorY);
bool atLeastOneBreakpointEnabled = false;
for (int i = 0; i < breakpoints.Length(); i++) {
if (breakpoints[i].line == -result && 0 == strcmp(breakpoints[i].fileFull, currentFileFull) && breakpoints[i].enabled) {
atLeastOneBreakpointEnabled = true;
break;
}
}
for (int i = 0; i < breakpoints.Length(); i++) {
if (breakpoints[i].line == -result && 0 == strcmp(breakpoints[i].fileFull, currentFileFull)) {
UIMenu *menu = UIMenuCreate(&element->window->e, UI_MENU_NO_SCROLL);
UIMenuAddItem(menu, 0, "Delete", -1, CommandDeleteAllBreakpointsOnLine, (void *) (intptr_t)-result);
UIMenuAddItem(menu, 0, atLeastOneBreakpointEnabled ? "Disable" : "Enable", -1,
atLeastOneBreakpointEnabled ? CommandDisableAllBreakpointsOnLine : CommandEnableAllBreakpointsOnLine,
(void *) (intptr_t) -result);
UIMenuShow(menu);
}
}
} else if (message == UI_MSG_CODE_GET_MARGIN_COLOR && !showingDisassembly) {
bool atLeastOneBreakpointDisabled = false;
for (int i = 0; i < breakpoints.Length(); i++) {
if (breakpoints[i].line == di && 0 == strcmp(breakpoints[i].fileFull, currentFileFull)) {
if (breakpoints[i].enabled) return ui.theme.accent1;
else atLeastOneBreakpointDisabled = true;
}
}
if (atLeastOneBreakpointDisabled) {
return (((ui.theme.accent1 & 0xFF0000) >> 1) & 0xFF0000) | (((ui.theme.accent1 & 0xFF00) >> 1) & 0xFF00) | ((ui.theme.accent1 & 0xFF) >> 1);
}
} else if (message == UI_MSG_PAINT) {
element->messageClass(element, message, di, dp);
if (inInspectLineMode) {
UIFont *previousFont = UIFontActivate(code->font);
DisplayCodeDrawInspectLineModeOverlay((UIPainter *) dp);
UIFontActivate(previousFont);
}
return 1;
} else if (message == UI_MSG_CODE_DECORATE_LINE) {
UICodeDecorateLine *m = (UICodeDecorateLine *) dp;
if (m->index == currentLine) {
displayCurrentLineBounds = m->bounds;
}
if (m->index == autoPrintResultLine) {
UIRectangle rectangle = UI_RECT_4(m->x + ui.activeFont->glyphWidth, m->bounds.r, m->y, m->y + UIMeasureStringHeight());
UIDrawString(m->painter, rectangle, autoPrintResult, -1, ui.theme.codeComment, UI_ALIGN_LEFT, NULL);
}
if (UICodeHitTest(code, element->window->cursorX, element->window->cursorY) == m->index
&& element->window->hovered == element && (element->window->ctrl || element->window->alt || element->window->shift)
&& !element->window->textboxModifiedFlag) {
UIDrawBorder(m->painter, m->bounds, element->window->ctrl ? ui.theme.selected : ui.theme.codeOperator, UI_RECT_1(2));
UIDrawString(m->painter, m->bounds, element->window->ctrl ? "=> run until " : "=> skip to ", -1, ui.theme.text, UI_ALIGN_RIGHT, NULL);
} else if (m->index == currentEndOfBlock) {
UIDrawString(m->painter, m->bounds, "[Shift+F10]", -1, ui.theme.codeComment, UI_ALIGN_RIGHT, NULL);
}
if (m->index == ifConditionLine && ifConditionEvaluation) {
int columnFrom = _UICodeByteToColumn(code, ifConditionLine - 1, ifConditionFrom);
int columnTo = _UICodeByteToColumn(code, ifConditionLine - 1, ifConditionTo);
UIDrawBlock(m->painter, UI_RECT_4(m->bounds.l + columnFrom * ui.activeFont->glyphWidth,
m->bounds.l + columnTo * ui.activeFont->glyphWidth, m->bounds.b - 2, m->bounds.b),
ifConditionEvaluation == 2 ? ui.theme.accent2 : ui.theme.accent1);
}
} else if (message == UI_MSG_MOUSE_MOVE || message == UI_MSG_UPDATE) {
if (element->window->cursorX != lastCursorX || element->window->cursorY != lastCursorY) {
lastCursorX = element->window->cursorX;
lastCursorY = element->window->cursorY;
element->window->textboxModifiedFlag = false;
}
UIElementRefresh(element);
}
return 0;
}
UIElement *SourceWindowCreate(UIElement *parent) {
displayCode = UICodeCreate(parent, selectableSource ? UI_CODE_SELECTABLE : 0);
displayCode->font = fontCode;
displayCode->e.messageUser = DisplayCodeMessage;
return &displayCode->e;
}
void SourceWindowUpdate(const char *data, UIElement *element) {
bool changedSourceLine = false;
const char *line = data;
while (*line) {
if (line[0] == '\n' || line == data) {
int i = line == data ? 0 : 1, number = 0;
while (line[i]) {
if (line[i] == '\t') {
break;
} else if (isdigit(line[i])) {
number = number * 10 + line[i] - '0';
i++;
} else {
goto tryNext;
}
}
if (!line[i]) break;
if (number) changedSourceLine = true;
tryNext:;
line += i + 1;
} else {
line++;
}
}
if (!stackChanged && changedSourceLine) stackSelected = 0;
stackChanged = false;
if (changedSourceLine && stackSelected < stack.Length() && strcmp(stack[stackSelected].location, previousLocation)) {
DisplaySetPositionFromStack();
}
if (changedSourceLine && currentLine < displayCode->lineCount && currentLine > 0) {
// If there is an auto-print expression from the previous line, evaluate it.
if (autoPrintExpression[0]) {
char buffer[1024];
StringFormat(buffer, sizeof(buffer), "p %s", autoPrintExpression);
EvaluateCommand(buffer);
const char *result = strchr(evaluateResult, '=');
if (result) {
autoPrintResultLine = autoPrintExpressionLine;
StringFormat(autoPrintResult, sizeof(autoPrintResult), "%s", result);
char *end = strchr(autoPrintResult, '\n');
if (end) *end = 0;
} else {
autoPrintResult[0] = 0;
}
autoPrintExpression[0] = 0;
}
// Parse the new source line.
UICodeLine *line = displayCode->lines + currentLine - 1;
char *text = displayCode->content + line->offset;
size_t bytes = line->bytes;
uintptr_t position = 0;
while (position < bytes) {
if (text[position] != '\t') break;
else position++;
}
uintptr_t expressionStart = position;
{
// Try to parse a type name.
uintptr_t position2 = position;
while (position2 < bytes) {
char c = text[position2];
if (!_UICharIsAlphaOrDigitOrUnderscore(c)) break;
else position2++;
}
if (position2 == bytes) goto noTypeName;
if (text[position2] != ' ') goto noTypeName;
position2++;
while (position2 < bytes) {
if (text[position2] != '*') break;
else position2++;
}
if (position2 == bytes) goto noTypeName;
if (!_UICharIsAlphaOrDigitOrUnderscore(text[position2])) goto noTypeName;
position = expressionStart = position2;
noTypeName:;
}
while (position < bytes) {
char c = text[position];
if (!_UICharIsAlphaOrDigitOrUnderscore(c) && c != '[' && c != ']' && c != ' ' && c != '.' && c != '-' && c != '>') break;
else position++;
}
uintptr_t expressionEnd = position;
while (position < bytes) {
if (text[position] != ' ') break;
else position++;
}
if (position != bytes && text[position] == '=') {
StringFormat(autoPrintExpression, sizeof(autoPrintExpression), "%.*s",
(int) (expressionEnd - expressionStart), text + expressionStart);
}
autoPrintExpressionLine = currentLine;
// Try to evaluate simple if conditions.
ifConditionEvaluation = 0;
for (uintptr_t i = 0, phase = 0, expressionStart = 0, depth = 0; i < bytes; i++) {
if (phase == 0) {
if (text[i] == ' ' || text[i] == '\t' || text[i] == '}') {
} else if (i < bytes - 4 && text[i] == 'e' && text[i + 1] == 'l' && text[i + 2] == 's' && text[i + 3] == 'e' && text[i + 4] == ' ') {
i += 4;
} else if (i < bytes - 2 && text[i] == 'i' && text[i + 1] == 'f' && (text[i + 2] == ' ' || text[i + 2] == '(')) {
phase = 1;
} else {
break;
}
} else if (phase == 1) {
if (text[i] == '(') {
phase = 2;
expressionStart = i + 1;
}
} else if (phase == 2) {
if (text[i] == '(') {
if ((i > 3 && text[i - 3] == '|' && text[i - 2] == '|' && text[i - 1] == ' ')
|| (i > 3 && text[i - 3] == '&' && text[i - 2] == '&' && text[i - 1] == ' ')
|| (i > 2 && text[i - 2] == '|' && text[i - 1] == '|')
|| (i > 2 && text[i - 2] == '&' && text[i - 1] == '&')
|| (i > 2 && text[i - 2] == '!' && text[i - 1] == ' ')
|| (i > 1 && text[i - 1] == '!')
|| (i > 6 && text[i - 6] == 's' && text[i - 5] == 't' && text[i - 4] == 'r'
&& text[i - 3] == 'c' && text[i - 2] == 'm' && text[i - 1] == 'p')) {
depth++;
} else {
// Don't evaluate function calls.
break;
}
} else if (i > 1 && i < bytes - 1 && text[i] == '='
&& text[i - 1] != '>' && text[i - 1] != '<' && text[i - 1] != '=' && text[i + 1] != '=') {
// Don't evaluate assignments.
break;
} else if (text[i] == ')' && depth) {
depth--;
} else if (text[i] == ')' && !depth) {
text[i] = 0;
const char *result = EvaluateExpression(&text[expressionStart]);
text[i] = ')';
if (!result) {
} else if (0 == strcmp(result, "= true")) {
ifConditionEvaluation = 2;
ifConditionFrom = expressionStart, ifConditionTo = i;
ifConditionLine = currentLine;
} else if (0 == strcmp(result, "= false")) {
ifConditionEvaluation = 1;
ifConditionFrom = expressionStart, ifConditionTo = i;
ifConditionLine = currentLine;
}
break;
}
}
}
}
UIElementRefresh(element);
}
bool InspectIsTokenCharacter(char c) {
return isalpha(c) || c == '_';
}
void InspectCurrentLine() {
for (int i = 0; i < inspectResults.Length(); i++) free(inspectResults[i]);
inspectResults.Free();
UICodeLine *line = &displayCode->lines[currentLine - 1];
const char *string = displayCode->content + line->offset;
for (int i = 0; i < line->bytes; i++) {
if ((i != line->bytes - 1 && InspectIsTokenCharacter(string[i]) && !InspectIsTokenCharacter(string[i + 1])) || string[i] == ']') {
int b = 0, j = i;
for (; j >= 0; j--) {
if (j && string[j] == '>' && string[j - 1] == '-') {
j--;
} else if (string[j] == ']') {
b++;
} else if (string[j] == '[' && b) {
b--;
} else if (InspectIsTokenCharacter(string[j]) || b || string[j] == '.') {
} else {
j++;
break;
}
}
char buffer[256];
if (i - j + 1 > 255 || j < 1) continue;
StringFormat(buffer, sizeof(buffer), "%.*s", i - j + 1, string + j);
if (0 == strcmp(buffer, "true") || 0 == strcmp(buffer, "false") || 0 == strcmp(buffer, "if") || 0 == strcmp(buffer, "for")
|| 0 == strcmp(buffer, "else") || 0 == strcmp(buffer, "while") || 0 == strcmp(buffer, "int")
|| 0 == strcmp(buffer, "char") || 0 == strcmp(buffer, "switch") || 0 == strcmp(buffer, "float")) {
continue;
}
bool match = false;
for (int k = 0; k < inspectResults.Length(); k += 2) {
if (0 == strcmp(inspectResults[k], buffer)) {
match = true;
}
}
if (match) continue;
const char *result = EvaluateExpression(buffer);
if (!result) continue;
if (0 == memcmp(result, "= {", 3) && !strchr(result + 3, '=')) continue;
inspectResults.Add(strdup(buffer));
inspectResults.Add(strdup(result));
}
}
if (!inspectResults.Length()) {
inspectResults.Add(strdup("No expressions to display."));
inspectResults.Add(strdup(" "));
noInspectResults = true;
} else {
noInspectResults = false;
}
}
void InspectLineModeExit(UIElement *element) {
UIElementDestroy(element);
UIElementFocus(&textboxInput->e);
inInspectLineMode = false;
currentLine = inspectModeRestoreLine;
UICodeFocusLine(displayCode, currentLine);
UIElementRefresh(&displayCode->e);
}
int InspectLineModeMessage(UIElement *element, UIMessage message, int di, void *dp) {
if (message == UI_MSG_UPDATE && element->window->focused != element) {
InspectLineModeExit(element);
} else if (message == UI_MSG_KEY_TYPED) {
UIKeyTyped *m = (UIKeyTyped *) dp;
if ((m->textBytes == 1 && m->text[0] == '`') || m->code == UI_KEYCODE_ESCAPE) {
InspectLineModeExit(element);
} else if (m->code >= UI_KEYCODE_DIGIT('1') && m->code <= UI_KEYCODE_DIGIT('9')) {
int index = (m->code - UI_KEYCODE_DIGIT('1')) * 2;
if (index < inspectResults.Length()) {
InspectLineModeExit(element);
WatchAddExpression2(inspectResults[index]);
}
} else if ((m->code == UI_KEYCODE_UP && currentLine != 1) || (m->code == UI_KEYCODE_DOWN && currentLine != displayCode->lineCount)) {
currentLine += m->code == UI_KEYCODE_UP ? -1 : 1;
UICodeFocusLine(displayCode, currentLine);
InspectCurrentLine();
UIElementRefresh(&displayCode->e);
}
return 1;
}
return 0;
}
void CommandInspectLine(void *) {
if (!currentLine || currentLine - 1 >= displayCode->lineCount) return;
inspectModeRestoreLine = currentLine;
inInspectLineMode = true;
InspectCurrentLine();
UIElementRefresh(&displayCode->e);
// Create an element to receive key input messages.
UIElement *element = UIElementCreate(sizeof(UIElement), &windowMain->e, 0, InspectLineModeMessage, 0);
UIElementFocus(element);
}
//////////////////////////////////////////////////////
// Data viewers:
//////////////////////////////////////////////////////
struct AutoUpdateViewer {
UIElement *element;
void (*callback)(UIElement *);
};
Array<AutoUpdateViewer> autoUpdateViewers;
bool autoUpdateViewersQueued;
bool DataViewerRemoveFromAutoUpdateList(UIElement *element) {
for (int i = 0; i < autoUpdateViewers.Length(); i++) {
if (autoUpdateViewers[i].element == element) {
autoUpdateViewers.DeleteSwap(i);
return true;
}
}
return false;
}
int DataViewerAutoUpdateButtonMessage(UIElement *element, UIMessage message, int di, void *dp) {
if (message == UI_MSG_CLICKED) {
element->flags ^= UI_BUTTON_CHECKED;
if (element->flags & UI_BUTTON_CHECKED) {
AutoUpdateViewer v = { .element = element->parent, .callback = (void (*)(UIElement *)) element->cp };
autoUpdateViewers.Add(v);
} else {
bool found = DataViewerRemoveFromAutoUpdateList(element->parent);
assert(found);
}
}
return 0;
}
void DataViewersUpdateAll() {
if (~dataTab->e.flags & UI_ELEMENT_HIDE) {
for (int i = 0; i < autoUpdateViewers.Length(); i++) {
autoUpdateViewers[i].callback(autoUpdateViewers[i].element);
}
} else if (autoUpdateViewers.Length()) {
autoUpdateViewersQueued = true;
}
}
//////////////////////////////////////////////////////
// Bitmap viewer:
//////////////////////////////////////////////////////
struct BitmapViewer {
char pointer[256];
char width[256];
char height[256];
char stride[256];
int parsedWidth, parsedHeight;
UIButton *autoToggle;
UIImageDisplay *display;
UIPanel *labelPanel;
UILabel *label;
};
int BitmapViewerWindowMessage(UIElement *element, UIMessage message, int di, void *dp) {
if (message == UI_MSG_DESTROY) {
DataViewerRemoveFromAutoUpdateList(element);
free(element->cp);
} else if (message == UI_MSG_GET_WIDTH) {
int fit = ((BitmapViewer *) element->cp)->parsedWidth + 40;
return fit > 300 ? fit : 300;
} else if (message == UI_MSG_GET_HEIGHT) {
int fit = ((BitmapViewer *) element->cp)->parsedHeight + 40;
return fit > 100 ? fit : 100;
}
return 0;
}
void BitmapViewerUpdate(const char *pointerString, const char *widthString, const char *heightString, const char *strideString, UIElement *owner = nullptr);
int BitmapViewerRefreshMessage(UIElement *element, UIMessage message, int di, void *dp) {
if (message == UI_MSG_CLICKED) {
BitmapViewer *bitmap = (BitmapViewer *) element->parent->cp;
BitmapViewerUpdate(bitmap->pointer, bitmap->width, bitmap->height, bitmap->stride, element->parent);
}
return 0;
}
const char *BitmapViewerGetBits(const char *pointerString, const char *widthString, const char *heightString, const char *strideString,
uint32_t **_bits, int *_width, int *_height, int *_stride) {
const char *widthResult = EvaluateExpression(widthString);
if (!widthResult) { return "Could not evaluate width."; }
int width = atoi(widthResult + 1);
const char *heightResult = EvaluateExpression(heightString);
if (!heightResult) { return "Could not evaluate height."; }
int height = atoi(heightResult + 1);
int stride = width * 4;
const char *pointerResult = EvaluateExpression(pointerString, "/x");
if (!pointerResult) { return "Could not evaluate pointer."; }
char _pointerResult[1024];
StringFormat(_pointerResult, sizeof(_pointerResult), "%s", pointerResult);
pointerResult = strstr(_pointerResult, " 0x");
if (!pointerResult) { return "Pointer to image bits does not look like an address!"; }
pointerResult++;
if (strideString && *strideString) {
const char *strideResult = EvaluateExpression(strideString);
if (!strideResult) { return "Could not evaluate stride."; }
stride = atoi(strideResult + 1);
}
uint32_t *bits = (uint32_t *) malloc(stride * height * 4); // TODO Is this multiply by 4 necessary?! And the one below.
char bitmapPath[PATH_MAX];
realpath(".bitmap.gf", bitmapPath);
char buffer[PATH_MAX * 2];
StringFormat(buffer, sizeof(buffer), "dump binary memory %s (%s) (%s+%d)", bitmapPath, pointerResult, pointerResult, stride * height);
EvaluateCommand(buffer);
FILE *f = fopen(bitmapPath, "rb");
if (f) {
fread(bits, 1, stride * height * 4, f); // TODO Is this multiply by 4 necessary?!
fclose(f);
unlink(bitmapPath);
}
if (!f || strstr(evaluateResult, "access")) {
return "Could not read the image bits!";
}
*_bits = bits, *_width = width, *_height = height, *_stride = stride;
return nullptr;
}
int BitmapViewerDisplayMessage(UIElement *element, UIMessage message, int di, void *dp) {
if (message == UI_MSG_RIGHT_UP) {
UIMenu *menu = UIMenuCreate(&element->window->e, UI_MENU_NO_SCROLL);
UIMenuAddItem(menu, 0, "Save to file...", -1, [] (void *cp) {
static char *path = NULL;
const char *result = UIDialogShow(windowMain, 0, "Save to file \nPath:\n%t\n%f%B%C", &path, "Save", "Cancel");
if (strcmp(result, "Save")) return;
UIImageDisplay *display = (UIImageDisplay *) cp;
FILE *f = fopen(path, "wb");
fprintf(f, "P6\n%d %d\n255\n", display->width, display->height);
for (int i = 0; i < display->width * display->height; i++) {
uint8_t pixel[3] = { (uint8_t) (display->bits[i] >> 16), (uint8_t) (display->bits[i] >> 8), (uint8_t) display->bits[i] };
fwrite(pixel, 1, 3, f);
}
fclose(f);
}, element);
UIMenuShow(menu);
}
return 0;
}
void BitmapViewerAutoUpdateCallback(UIElement *element) {
BitmapViewer *bitmap = (BitmapViewer *) element->cp;
BitmapViewerUpdate(bitmap->pointer, bitmap->width, bitmap->height, bitmap->stride, element);
}
void BitmapViewerUpdate(const char *pointerString, const char *widthString, const char *heightString, const char *strideString, UIElement *owner) {
uint32_t *bits = nullptr;
int width = 0, height = 0, stride = 0;
const char *error = BitmapViewerGetBits(pointerString, widthString, heightString, strideString,
&bits, &width, &height, &stride);
if (!owner) {
BitmapViewer *bitmap = (BitmapViewer *) calloc(1, sizeof(BitmapViewer));
if (pointerString) StringFormat(bitmap->pointer, sizeof(bitmap->pointer), "%s", pointerString);
if (widthString) StringFormat(bitmap->width, sizeof(bitmap->width), "%s", widthString);
if (heightString) StringFormat(bitmap->height, sizeof(bitmap->height), "%s", heightString);
if (strideString) StringFormat(bitmap->stride, sizeof(bitmap->stride), "%s", strideString);
UIMDIChild *window = UIMDIChildCreate(&dataWindow->e, UI_MDI_CHILD_CLOSE_BUTTON, UI_RECT_1(0), "Bitmap", -1);
window->e.messageUser = BitmapViewerWindowMessage;
window->e.cp = bitmap;
bitmap->autoToggle = UIButtonCreate(&window->e, UI_BUTTON_SMALL | UI_ELEMENT_NON_CLIENT, "Auto", -1);
bitmap->autoToggle->e.cp = (void *) BitmapViewerAutoUpdateCallback;
bitmap->autoToggle->e.messageUser = DataViewerAutoUpdateButtonMessage;
UIButtonCreate(&window->e, UI_BUTTON_SMALL | UI_ELEMENT_NON_CLIENT, "Refresh", -1)->e.messageUser = BitmapViewerRefreshMessage;
owner = &window->e;
UIPanel *panel = UIPanelCreate(owner, UI_PANEL_EXPAND);
bitmap->display = UIImageDisplayCreate(&panel->e, UI_IMAGE_DISPLAY_INTERACTIVE | UI_ELEMENT_V_FILL, bits, width, height, stride);
bitmap->labelPanel = UIPanelCreate(&panel->e, UI_PANEL_COLOR_1 | UI_ELEMENT_V_FILL);
bitmap->label = UILabelCreate(&bitmap->labelPanel->e, UI_ELEMENT_H_FILL, nullptr, 0);
bitmap->display->e.messageUser = BitmapViewerDisplayMessage;
}
BitmapViewer *bitmap = (BitmapViewer *) owner->cp;
bitmap->parsedWidth = width, bitmap->parsedHeight = height;
UIImageDisplaySetContent(bitmap->display, bits, width, height, stride);
if (error) UILabelSetContent(bitmap->label, error, -1);
if (error) bitmap->labelPanel->e.flags &= ~UI_ELEMENT_HIDE, bitmap->display->e.flags |= UI_ELEMENT_HIDE;
else bitmap->labelPanel->e.flags |= UI_ELEMENT_HIDE, bitmap->display->e.flags &= ~UI_ELEMENT_HIDE;
UIElementRefresh(bitmap->labelPanel->e.parent);
UIElementRefresh(owner);
UIElementRefresh(&dataWindow->e);
free(bits);
}
void BitmapAddDialog(void *) {
static char *pointer = nullptr, *width = nullptr, *height = nullptr, *stride = nullptr;
const char *result = UIDialogShow(windowMain, 0,
"Add bitmap\n\n%l\n\nPointer to bits: (32bpp, RR GG BB AA)\n%t\nWidth:\n%t\nHeight:\n%t\nStride: (optional)\n%t\n\n%l\n\n%f%B%C",
&pointer, &width, &height, &stride, "Add", "Cancel");
if (0 == strcmp(result, "Add")) {
BitmapViewerUpdate(pointer, width, height, (stride && stride[0]) ? stride : nullptr);
}
}
//////////////////////////////////////////////////////
// Console:
//////////////////////////////////////////////////////
Array<char *> commandHistory;
int commandHistoryIndex;
void CommandPreviousCommand(void *) {
if (commandHistoryIndex < commandHistory.Length()) {
UITextboxClear(textboxInput, false);
UITextboxReplace(textboxInput, commandHistory[commandHistoryIndex], -1, false);
if (commandHistoryIndex < commandHistory.Length() - 1) commandHistoryIndex++;
UIElementRefresh(&textboxInput->e);
}
}
void CommandNextCommand(void *) {
UITextboxClear(textboxInput, false);
if (commandHistoryIndex > 0) {
commandHistoryIndex--;
UITextboxReplace(textboxInput, commandHistory[commandHistoryIndex], -1, false);
}
UIElementRefresh(&textboxInput->e);
}
void CommandClearOutput(void *) {
UI_FREE(displayOutput->content);
UI_FREE(displayOutput->lines);
displayOutput->content = NULL;
displayOutput->lines = NULL;
displayOutput->contentBytes = 0;
displayOutput->lineCount = 0;
UIElementRefresh(&displayOutput->e);
}
int TextboxInputMessage(UIElement *element, UIMessage message, int di, void *dp) {
UITextbox *textbox = (UITextbox *) element;
if (message == UI_MSG_KEY_TYPED) {
UIKeyTyped *m = (UIKeyTyped *) dp;
static TabCompleter tabCompleter = {};
bool lastKeyWasTab = tabCompleter._lastKeyWasTab;
tabCompleter._lastKeyWasTab = false;
if (m->textBytes && !element->window->ctrl && !element->window->alt && m->text[0] == '`' && !textbox->bytes) {
textbox->rejectNextKey = true;
} else if (m->code == UI_KEYCODE_ENTER && !element->window->shift) {
if (!textbox->bytes) {
if (commandHistory.Length()) {
CommandSendToGDB(commandHistory[0]);
}
return 1;
}
char buffer[1024];
StringFormat(buffer, 1024, "%.*s", (int) textbox->bytes, textbox->string);
if (commandLog) fprintf(commandLog, "%s\n", buffer);
CommandSendToGDB(buffer);
char *string = (char *) malloc(textbox->bytes + 1);
memcpy(string, textbox->string, textbox->bytes);
string[textbox->bytes] = 0;
commandHistory.Insert(string, 0);
commandHistoryIndex = 0;
if (commandHistory.Length() > 100) {
free(commandHistory.Last());
commandHistory.Pop();
}