diff options
Diffstat (limited to 'nGenEx/RichTextBox.cpp')
| -rw-r--r-- | nGenEx/RichTextBox.cpp | 636 |
1 files changed, 318 insertions, 318 deletions
diff --git a/nGenEx/RichTextBox.cpp b/nGenEx/RichTextBox.cpp index c03f6d0..66c7ae2 100644 --- a/nGenEx/RichTextBox.cpp +++ b/nGenEx/RichTextBox.cpp @@ -1,15 +1,15 @@ /* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
- SUBSYSTEM: nGenEx.lib
- FILE: RichTextBox.cpp
- AUTHOR: John DiCamillo
+ SUBSYSTEM: nGenEx.lib
+ FILE: RichTextBox.cpp
+ AUTHOR: John DiCamillo
- OVERVIEW
- ========
- Window class
+ OVERVIEW
+ ========
+ Window class
*/
#include "MemDebug.h"
@@ -26,23 +26,23 @@ // +--------------------------------------------------------------------+
RichTextBox::RichTextBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid, DWORD astyle)
- : ScrollWindow(p->GetScreen(), ax, ay, aw, ah, aid, astyle, p)
+: ScrollWindow(p->GetScreen(), ax, ay, aw, ah, aid, astyle, p)
{
- leading = 2;
+ leading = 2;
- char buf[32];
- sprintf_s(buf, "RichTextBox %d", id);
- desc = buf;
+ char buf[32];
+ sprintf_s(buf, "RichTextBox %d", id);
+ desc = buf;
}
RichTextBox::RichTextBox(Screen* screen, int ax, int ay, int aw, int ah, DWORD aid, DWORD astyle)
- : ScrollWindow(screen, ax, ay, aw, ah, aid, astyle)
+: ScrollWindow(screen, ax, ay, aw, ah, aid, astyle)
{
- leading = 2;
+ leading = 2;
- char buf[32];
- sprintf_s(buf, "RichTextBox %d", id);
- desc = buf;
+ char buf[32];
+ sprintf_s(buf, "RichTextBox %d", id);
+ desc = buf;
}
RichTextBox::~RichTextBox()
@@ -54,8 +54,8 @@ RichTextBox::~RichTextBox() void
RichTextBox::SetText(const char* t)
{
- ActiveWindow::SetText(t);
- ScrollTo(0);
+ ActiveWindow::SetText(t);
+ ScrollTo(0);
}
// +--------------------------------------------------------------------+
@@ -63,7 +63,7 @@ RichTextBox::SetText(const char* t) void
RichTextBox::DrawContent(const Rect& ctrl_rect)
{
- DrawTabbedText();
+ DrawTabbedText();
}
// +--------------------------------------------------------------------+
@@ -71,384 +71,384 @@ RichTextBox::DrawContent(const Rect& ctrl_rect) void
RichTextBox::DrawTabbedText()
{
- if (font && text.length()) {
- int border_size = 4;
+ if (font && text.length()) {
+ int border_size = 4;
- if (style & WIN_RAISED_FRAME && style & WIN_SUNK_FRAME)
- border_size = 8;
+ if (style & WIN_RAISED_FRAME && style & WIN_SUNK_FRAME)
+ border_size = 8;
- Rect label_rect = rect;
+ Rect label_rect = rect;
- label_rect.x = border_size;
- label_rect.y = border_size;
- label_rect.w -= border_size * 2;
- label_rect.h -= border_size * 2;
+ label_rect.x = border_size;
+ label_rect.y = border_size;
+ label_rect.w -= border_size * 2;
+ label_rect.h -= border_size * 2;
- if (scroll_bar)
- label_rect.w -= SCROLL_TRACK;
+ if (scroll_bar)
+ label_rect.w -= SCROLL_TRACK;
- if (line_height < font->Height())
- line_height = font->Height();
+ if (line_height < font->Height())
+ line_height = font->Height();
- font->SetColor(fore_color);
- DrawRichText(label_rect);
- }
+ font->SetColor(fore_color);
+ DrawRichText(label_rect);
+ }
}
// +--------------------------------------------------------------------+
int RichTextBox::find_next_word_start(const char* text, int index)
{
- // step through intra-word space:
- while (text[index] && isspace(text[index]) &&
- (text[index] != '\t') &&
- (text[index] != '\n') &&
- (text[index] != '<'))
- index++;
-
- return index;
+ // step through intra-word space:
+ while (text[index] && isspace(text[index]) &&
+ (text[index] != '\t') &&
+ (text[index] != '\n') &&
+ (text[index] != '<'))
+ index++;
+
+ return index;
}
int RichTextBox::find_next_word_end(const char* text, int index)
{
- // check for leading newline or tag:
- if (text[index] == '\n' || text[index] == '\t' || text[index] == '<')
- return index;
-
- // step through intra-word space:
- while (text[index] && isspace(text[index]))
- index++;
-
- // step through word:
- while (text[index] && !isspace(text[index]) &&
- (text[index] != '-') &&
- (text[index] != '<'))
- index++;
-
- if (index) {
- if (text[index] != '-')
- return index-1;
- else
- return index;
- }
-
- return 0;
+ // check for leading newline or tag:
+ if (text[index] == '\n' || text[index] == '\t' || text[index] == '<')
+ return index;
+
+ // step through intra-word space:
+ while (text[index] && isspace(text[index]))
+ index++;
+
+ // step through word:
+ while (text[index] && !isspace(text[index]) &&
+ (text[index] != '-') &&
+ (text[index] != '<'))
+ index++;
+
+ if (index) {
+ if (text[index] != '-')
+ return index-1;
+ else
+ return index;
+ }
+
+ return 0;
}
int RichTextBox::parse_hex_digit(char c)
{
- if (isalpha(c))
- return 10 + tolower(c) - 'a';
+ if (isalpha(c))
+ return 10 + tolower(c) - 'a';
- else if (isdigit(c))
- return c - '0';
+ else if (isdigit(c))
+ return c - '0';
- return 0;
+ return 0;
}
int RichTextBox::process_tag(const char* text, int index, Font*& font)
{
- if (text[index] == '<') {
- char tag[64];
- int i = 0;
-
- while (text[index] && (text[index] != '>'))
- tag[i++] = text[index++];
-
- if (text[index] == '>')
- tag[i++] = text[index++];
-
- tag[i] = 0;
-
- switch (tag[1]) {
- case 'c':
- case 'C': if (_strnicmp(tag+1, "color", 5) == 0) {
- int r = 0;
- int g = 0;
- int b = 0;
-
- if (i > 12) {
- r = 16 * parse_hex_digit(tag[ 7]) + parse_hex_digit(tag[ 8]);
- g = 16 * parse_hex_digit(tag[ 9]) + parse_hex_digit(tag[10]);
- b = 16 * parse_hex_digit(tag[11]) + parse_hex_digit(tag[12]);
- }
-
- font->SetColor(Color(r,g,b));
- }
- break;
-
- case 'f':
- case 'F': if (_strnicmp(tag+1, "font", 4) == 0) {
- Color current_color = Color::White;
-
- if (font)
- current_color = font->GetColor();
-
- tag[i-1] = 0;
- font = FontMgr::Find(tag+6);
- font->SetColor(current_color);
- }
- break;
- }
- }
-
- return index;
+ if (text[index] == '<') {
+ char tag[64];
+ int i = 0;
+
+ while (text[index] && (text[index] != '>'))
+ tag[i++] = text[index++];
+
+ if (text[index] == '>')
+ tag[i++] = text[index++];
+
+ tag[i] = 0;
+
+ switch (tag[1]) {
+ case 'c':
+ case 'C': if (_strnicmp(tag+1, "color", 5) == 0) {
+ int r = 0;
+ int g = 0;
+ int b = 0;
+
+ if (i > 12) {
+ r = 16 * parse_hex_digit(tag[ 7]) + parse_hex_digit(tag[ 8]);
+ g = 16 * parse_hex_digit(tag[ 9]) + parse_hex_digit(tag[10]);
+ b = 16 * parse_hex_digit(tag[11]) + parse_hex_digit(tag[12]);
+ }
+
+ font->SetColor(Color(r,g,b));
+ }
+ break;
+
+ case 'f':
+ case 'F': if (_strnicmp(tag+1, "font", 4) == 0) {
+ Color current_color = Color::White;
+
+ if (font)
+ current_color = font->GetColor();
+
+ tag[i-1] = 0;
+ font = FontMgr::Find(tag+6);
+ font->SetColor(current_color);
+ }
+ break;
+ }
+ }
+
+ return index;
}
int
RichTextBox::GetNextTab(int xpos)
{
- for (int i = 0; i < 10; i++) {
- if (tab[i] > xpos)
- return tab[i];
- }
+ for (int i = 0; i < 10; i++) {
+ if (tab[i] > xpos)
+ return tab[i];
+ }
- return (xpos / 20) * 20 + 20;
+ return (xpos / 20) * 20 + 20;
}
void
RichTextBox::DrawRichText(Rect& text_rect)
{
- // clip the rect:
- Rect clip_rect = ClipRect(text_rect);
- clip_rect.h -= 8;
-
- if (clip_rect.w < 1 || clip_rect.h < 1)
- return;
+ // clip the rect:
+ Rect clip_rect = ClipRect(text_rect);
+ clip_rect.h -= 8;
+
+ if (clip_rect.w < 1 || clip_rect.h < 1)
+ return;
- const char* t = text.data();
- int count = text.length();
- int nlines = 0;
+ const char* t = text.data();
+ int count = text.length();
+ int nlines = 0;
- int xpos = 0;
- int block_start = 0;
- int block_count = 0;
- int curr_word_end = -1;
- int next_word_end = 0;
- int eol_index = 0;
-
- int new_line = 0;
- int x_offset = 0;
- int y_offset = 0;
- int length = 0;
-
- Font* rich_font = font;
- rich_font->SetColor(fore_color);
-
- if (smooth_scroll) {
- double fraction = smooth_offset - (int) smooth_offset;
-
- y_offset = (int) ((1-fraction) * (rich_font->Height() + leading));
- }
-
- // while there is still text:
- while (block_start < count) {
- bool found_tag = false;
-
- do {
- found_tag = false;
-
- if (t[block_start] == '<') {
- block_start = process_tag(t, block_start, rich_font);
- found_tag = true;
- }
-
- else if (t[block_start] == '\t') {
- block_start++;
- x_offset = GetNextTab(x_offset);
-
- if (x_offset > text_rect.w) {
- nlines++;
- if (nlines > top_index)
- y_offset += rich_font->Height() + leading;
- x_offset = 0;
- new_line = false;
- }
-
- found_tag = true;
- }
-
- else if (t[block_start] == '\r') {
- block_start++;
-
- if (t[block_start] == '\n')
- block_start++;
-
- nlines++;
- if (nlines > top_index)
- y_offset += rich_font->Height() + leading;
- x_offset = 0;
- new_line = false;
-
- found_tag = true;
- }
-
- else if (t[block_start] == '\n') {
- block_start++;
-
- if (t[block_start] == '\r')
- block_start++;
-
- nlines++;
- if (nlines > top_index)
- y_offset += rich_font->Height() + leading;
- x_offset = 0;
- new_line = false;
-
- found_tag = true;
- }
- }
- while (found_tag);
-
- next_word_end = find_next_word_end(t, block_start);
-
- if (!next_word_end || next_word_end == curr_word_end) {
- new_line = true;
- }
-
- else if (t[next_word_end] == '\n') {
- eol_index = curr_word_end = next_word_end;
- new_line = true;
- }
-
- else {
- int word_len = next_word_end - block_start + 1;
-
- length = rich_font->StringWidth(t+block_start, word_len);
-
- // if this word was too long, wrap to next line:
- if (x_offset + length > text_rect.w) {
- nlines++;
- if (nlines > top_index)
- y_offset += rich_font->Height() + leading;
- x_offset = 0;
- new_line = false;
- }
-
- // is there a trailing newline?
- curr_word_end = next_word_end;
-
- // check for a newline in the next block of white space:
- eol_index = 0;
- const char* eol = &t[curr_word_end+1];
- while (*eol && isspace(*eol) && *eol != '\n')
- eol++;
-
- if (*eol == '\n') {
- eol_index = eol - t;
- new_line = true;
- }
- }
-
- block_count = curr_word_end - block_start + 1;
-
- if (block_count > 0) {
- length = rich_font->StringWidth(t+block_start, block_count);
- }
-
- // there was a single word longer than the entire line:
- else {
- block_count = next_word_end - block_start + 1;
- length = rich_font->StringWidth(t+block_start, block_count);
- curr_word_end = next_word_end;
- }
-
- if (length > 0 && nlines >= top_index && nlines < top_index+page_size) {
- int x1 = text_rect.x + x_offset + rect.x;
- int y1 = text_rect.y + y_offset + rect.y;
-
- rich_font->DrawString(t+block_start, block_count, x1, y1, clip_rect);
- }
-
- if (new_line) {
- nlines++;
- if (nlines > top_index)
- y_offset += rich_font->Height() + leading;
- x_offset = 0;
- new_line = false;
- }
-
- else if (length < 1 || text[next_word_end] == '-') {
- x_offset += length;
- }
-
- else {
- x_offset += length + rich_font->SpaceWidth();
- }
-
- if (eol_index > 0)
- curr_word_end = eol_index;
-
- block_start = find_next_word_start(t, curr_word_end+1);
- }
-
- line_count = nlines;
+ int xpos = 0;
+ int block_start = 0;
+ int block_count = 0;
+ int curr_word_end = -1;
+ int next_word_end = 0;
+ int eol_index = 0;
+
+ int new_line = 0;
+ int x_offset = 0;
+ int y_offset = 0;
+ int length = 0;
+
+ Font* rich_font = font;
+ rich_font->SetColor(fore_color);
+
+ if (smooth_scroll) {
+ double fraction = smooth_offset - (int) smooth_offset;
+
+ y_offset = (int) ((1-fraction) * (rich_font->Height() + leading));
+ }
+
+ // while there is still text:
+ while (block_start < count) {
+ bool found_tag = false;
+
+ do {
+ found_tag = false;
+
+ if (t[block_start] == '<') {
+ block_start = process_tag(t, block_start, rich_font);
+ found_tag = true;
+ }
+
+ else if (t[block_start] == '\t') {
+ block_start++;
+ x_offset = GetNextTab(x_offset);
+
+ if (x_offset > text_rect.w) {
+ nlines++;
+ if (nlines > top_index)
+ y_offset += rich_font->Height() + leading;
+ x_offset = 0;
+ new_line = false;
+ }
+
+ found_tag = true;
+ }
+
+ else if (t[block_start] == '\r') {
+ block_start++;
+
+ if (t[block_start] == '\n')
+ block_start++;
+
+ nlines++;
+ if (nlines > top_index)
+ y_offset += rich_font->Height() + leading;
+ x_offset = 0;
+ new_line = false;
+
+ found_tag = true;
+ }
+
+ else if (t[block_start] == '\n') {
+ block_start++;
+
+ if (t[block_start] == '\r')
+ block_start++;
+
+ nlines++;
+ if (nlines > top_index)
+ y_offset += rich_font->Height() + leading;
+ x_offset = 0;
+ new_line = false;
+
+ found_tag = true;
+ }
+ }
+ while (found_tag);
+
+ next_word_end = find_next_word_end(t, block_start);
+
+ if (!next_word_end || next_word_end == curr_word_end) {
+ new_line = true;
+ }
+
+ else if (t[next_word_end] == '\n') {
+ eol_index = curr_word_end = next_word_end;
+ new_line = true;
+ }
+
+ else {
+ int word_len = next_word_end - block_start + 1;
+
+ length = rich_font->StringWidth(t+block_start, word_len);
+
+ // if this word was too long, wrap to next line:
+ if (x_offset + length > text_rect.w) {
+ nlines++;
+ if (nlines > top_index)
+ y_offset += rich_font->Height() + leading;
+ x_offset = 0;
+ new_line = false;
+ }
+
+ // is there a trailing newline?
+ curr_word_end = next_word_end;
+
+ // check for a newline in the next block of white space:
+ eol_index = 0;
+ const char* eol = &t[curr_word_end+1];
+ while (*eol && isspace(*eol) && *eol != '\n')
+ eol++;
+
+ if (*eol == '\n') {
+ eol_index = eol - t;
+ new_line = true;
+ }
+ }
+
+ block_count = curr_word_end - block_start + 1;
+
+ if (block_count > 0) {
+ length = rich_font->StringWidth(t+block_start, block_count);
+ }
+
+ // there was a single word longer than the entire line:
+ else {
+ block_count = next_word_end - block_start + 1;
+ length = rich_font->StringWidth(t+block_start, block_count);
+ curr_word_end = next_word_end;
+ }
+
+ if (length > 0 && nlines >= top_index && nlines < top_index+page_size) {
+ int x1 = text_rect.x + x_offset + rect.x;
+ int y1 = text_rect.y + y_offset + rect.y;
+
+ rich_font->DrawString(t+block_start, block_count, x1, y1, clip_rect);
+ }
+
+ if (new_line) {
+ nlines++;
+ if (nlines > top_index)
+ y_offset += rich_font->Height() + leading;
+ x_offset = 0;
+ new_line = false;
+ }
+
+ else if (length < 1 || text[next_word_end] == '-') {
+ x_offset += length;
+ }
+
+ else {
+ x_offset += length + rich_font->SpaceWidth();
+ }
+
+ if (eol_index > 0)
+ curr_word_end = eol_index;
+
+ block_start = find_next_word_start(t, curr_word_end+1);
+ }
+
+ line_count = nlines;
}
// +--------------------------------------------------------------------+
int RichTextBox::OnMouseMove(int x, int y)
{
- if (captured) {
- ActiveWindow* test = GetCapture();
+ if (captured) {
+ ActiveWindow* test = GetCapture();
- if (test != this) {
- captured = false;
- }
+ if (test != this) {
+ captured = false;
+ }
- else {
- if (scrolling == SCROLL_THUMB) {
- mouse_y = y - rect.y - TRACK_START;
+ else {
+ if (scrolling == SCROLL_THUMB) {
+ mouse_y = y - rect.y - TRACK_START;
- int dest = (int) ((double) mouse_y/track_length * (line_count-1));
- ScrollTo(dest);
- }
- }
- }
+ int dest = (int) ((double) mouse_y/track_length * (line_count-1));
+ ScrollTo(dest);
+ }
+ }
+ }
- return ActiveWindow::OnMouseMove(x,y);
+ return ActiveWindow::OnMouseMove(x,y);
}
// +--------------------------------------------------------------------+
int RichTextBox::OnLButtonDown(int x, int y)
{
- return ScrollWindow::OnLButtonDown(x,y);
+ return ScrollWindow::OnLButtonDown(x,y);
}
// +--------------------------------------------------------------------+
int RichTextBox::OnLButtonUp(int x, int y)
{
- return ScrollWindow::OnLButtonUp(x,y);
+ return ScrollWindow::OnLButtonUp(x,y);
}
// +--------------------------------------------------------------------+
int RichTextBox::OnMouseWheel(int wheel)
{
- return ScrollWindow::OnMouseWheel(wheel);
+ return ScrollWindow::OnMouseWheel(wheel);
}
// +--------------------------------------------------------------------+
int RichTextBox::OnClick()
{
- int fire_click = !scrolling;
+ int fire_click = !scrolling;
- if (scrolling == SCROLL_THUMB)
- scrolling = SCROLL_NONE;
+ if (scrolling == SCROLL_THUMB)
+ scrolling = SCROLL_NONE;
- if (fire_click)
- return ActiveWindow::OnClick();
+ if (fire_click)
+ return ActiveWindow::OnClick();
- return 0;
+ return 0;
}
// +--------------------------------------------------------------------+
int RichTextBox::OnKeyDown(int vk, int flags)
{
- return ScrollWindow::OnKeyDown(vk, flags);
+ return ScrollWindow::OnKeyDown(vk, flags);
}
|