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Fix issue 250: Alert box for image flattening is too wide. Implemented basic multi-line alert box (use explicit carriage returns).

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1220 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud 2009-11-19 01:24:10 +00:00
parent 776da3980d
commit 8c9321d98b
2 changed files with 57 additions and 11 deletions
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2
loadsave.c
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@ -757,7 +757,7 @@ void Save_image(byte image)
if (!File_formats[Main_fileformat-1].Supports_layers
&& Main_backups->Pages->Nb_layers > 1)
{
if (! Confirmation_box("This format will save a flattened copy."))
if (! Confirmation_box("This format doesn't support layers\nand will save a flattened copy of\nyour image. Proceed?"))
{
// File_error is already set to 1.
return;

66
windows.c
View File

@ -956,25 +956,71 @@ void Print_counter(short x,short y,const char * str,byte text_color,byte backgro
//---- Fenêtre demandant de confirmer une action et renvoyant la réponse -----
///
/// Window asking for confirmation before an action is performed.
/// This function is able to display multi-line messages and
/// center the lines, but the carriage returns have to be explicit.
/// The function will clip the message in case of problem.
/// @return 1 if user pressed OK, 0 if CANCEL
byte Confirmation_box(char * message)
{
short clicked_button;
word window_width;
word window_width = 120;
word nb_lines = 1;
const char *c = message;
short current_length=0;
short current_line;
window_width=(strlen(message)<<3)+20;
// Count lines, and measure max line length
for (c=message; *c != '\0'; c++)
{
if (*c == '\n')
{
current_length=0;
nb_lines++;
}
else
{
current_length++;
window_width=Max(window_width, (current_length<<3)+20);
}
}
// Safety
if (window_width>310)
window_width=310;
if (window_width<120)
window_width=120;
Open_window(window_width,52+(nb_lines<<3),"Confirmation");
Open_window(window_width,60,"Confirmation");
c=message;
for (current_line=0; current_line < nb_lines; current_line++)
{
char * next_eol;
char display_string[36+1];
next_eol = strchr(c, '\n');
if (next_eol==NULL) // last line
current_length = strlen(c);
else
current_length = next_eol-c;
Print_in_window((window_width>>1)-(strlen(message)<<2),20,message,MC_Black,MC_Light);
// Safeguard
if (current_length>36)
current_length=36;
// Copy part of string in null-terminated buffer
strncpy(display_string, c, current_length);
display_string[current_length]='\0';
Window_set_normal_button((window_width/3)-20 ,37,40,14,"Yes",1,1,SDLK_y); // 1
Window_set_normal_button(((window_width<<1)/3)-20,37,40,14,"No" ,1,1,SDLK_n); // 2
Print_in_window((window_width>>1)-(current_length<<2), 20+(current_line<<3), display_string, MC_Black, MC_Light);
c += current_length;
if (*c == '\n')
c++;
}
Update_rect(Window_pos_X,Window_pos_Y,Menu_factor_X*window_width,Menu_factor_Y*60);
Window_set_normal_button((window_width/3)-20 ,29+(nb_lines<<3),40,14,"Yes",1,1,SDLK_y); // 1
Window_set_normal_button(((window_width<<1)/3)-20,29+(nb_lines<<3),40,14,"No" ,1,1,SDLK_n); // 2
Update_rect(Window_pos_X, Window_pos_Y, Window_width*Menu_factor_X, Window_height*Menu_factor_Y);
Display_cursor();